taxonID	type	description	language	source
18659911FFB4C923FF08B107FAF8FE17.taxon	etymology	Etymology. The specific name “ tuberculata ”, from the Latin “ tuberculum ” [engl.: small hump], refers to sclerotic tubercles on the medial eye.	en	Chavtur, Vladimir G., Keyser, Dietmar (2016): Benthic myodocopid Ostracoda (Philomedidae) from the Southern Ocean. Zootaxa 4141 (1): 1-70, DOI: 10.11646/zootaxa.4141.1.1
18659911FFB4C923FF08B107FAF8FE17.taxon	materials_examined	Holotype. MIMB 18268 — adult male, (length 4.20 mm), appendages mounted on slide and valves in ethanol (70 %). Type-locality. D / E “ Ob “, 8 th Soviet (Russian) Antarctic Expedition, 19. February 1963, station E, sample 2, lat. 67 ° 40 ’ 1 ” S, long. 45 ° 48 ’ 5 ” E, depth — unknown, sandy bottom.	en	Chavtur, Vladimir G., Keyser, Dietmar (2016): Benthic myodocopid Ostracoda (Philomedidae) from the Southern Ocean. Zootaxa 4141 (1): 1-70, DOI: 10.11646/zootaxa.4141.1.1
18659911FFB4C923FF08B107FAF8FE17.taxon	description	Paratypes (coordinates, depth and bottom sediment see Appendix). D / E “ Ob “, 8 th Soviet (Russian) Antarctic Expedition, station E, sample 2: MIMB 18269 — adult female (length 4.50 mm), MIMB 18270 — adult female (4.45 mm), MIMB 18271 — adult female (carapace deformed), MIMB 18272 — adult female (4.32 mm), MIMB 18 273 — immature male (3.12 mm), MIMB 18275 a, b, c — adult females (4.50, 4.41 and 4.34 mm). R / V “ Academic Fedorov ”, 34 th Soviet (Russian) Antarctic Expedition, station 16 / 62, sample 2: MIMB 18274 — immature male A- 1 (4.04 mm). RV “ Polarstern ”, ANT VIII / 5, station 16 - 477: ZMH-K- 42259 — immature male A- 1 (3.42 mm). RV “ Polarstern ”, ANT XIII / 3, station 39 / 05 / EBS: ZMH-K- 42260 — immature male (3.15 mm) and ZMH-K- 42261 — immature female A- 1 (3.46 mm). RV “ Polarstern ”, ANT XV / 3, station 114: ZMH-K- 42262 — immature female (3.62 mm).	en	Chavtur, Vladimir G., Keyser, Dietmar (2016): Benthic myodocopid Ostracoda (Philomedidae) from the Southern Ocean. Zootaxa 4141 (1): 1-70, DOI: 10.11646/zootaxa.4141.1.1
18659911FFB4C923FF08B107FAF8FE17.taxon	materials_examined	Additional material. See Appendix.	en	Chavtur, Vladimir G., Keyser, Dietmar (2016): Benthic myodocopid Ostracoda (Philomedidae) from the Southern Ocean. Zootaxa 4141 (1): 1-70, DOI: 10.11646/zootaxa.4141.1.1
18659911FFB4C923FF08B107FAF8FE17.taxon	diagnosis	Diagnosis of adult female. Carapace: Length 4.32 – 4.53 mm. Carapace reticulate with ribs along ventral and dorsal margins, one rib lying just within antero-ventral valve margin and being present only on anterior half of valve; middle rib extending full length of valve and lying dorsal of the central muscle attachments; a lower rib extends almost full length of valve and lies below the central muscle attachments. Surface of valves with scattered undivided setae. Seventh limb. Each limb with 10 – 12 setae, 6 in distal group and 4 – 6 in proximal group. Terminal limb with 13 – 17 pegs in total (on comb and opposite comb); teeth on comb absent.	en	Chavtur, Vladimir G., Keyser, Dietmar (2016): Benthic myodocopid Ostracoda (Philomedidae) from the Southern Ocean. Zootaxa 4141 (1): 1-70, DOI: 10.11646/zootaxa.4141.1.1
18659911FFB4C923FF08B107FAF8FE17.taxon	description	Caudal furca. Each lamella with 15 – 17 claws; 3 rd claw slender and slightly longer than 4 th claw. Bellonci organ. Organ elongate with about 22 – 28 segments at proximal part (including base) and middle. Medial eye. Large, with 3 sclerotic tubercles, 1 dorsal, 1 anterior and 1 lateral.	en	Chavtur, Vladimir G., Keyser, Dietmar (2016): Benthic myodocopid Ostracoda (Philomedidae) from the Southern Ocean. Zootaxa 4141 (1): 1-70, DOI: 10.11646/zootaxa.4141.1.1
18659911FFB4C923FF08B107FAF8FE17.taxon	diagnosis	Diagnosis of adult male. Carapace. Length 4.20 mm. Seventh limb. Each limb with 8 – 9 setae, 4 in distal group and 4 or 5 in proximal group; terminal comb with 1 bare peg and 3 pegs present on opposite comb.	en	Chavtur, Vladimir G., Keyser, Dietmar (2016): Benthic myodocopid Ostracoda (Philomedidae) from the Southern Ocean. Zootaxa 4141 (1): 1-70, DOI: 10.11646/zootaxa.4141.1.1
18659911FFB4C923FF08B107FAF8FE17.taxon	description	Caudal furca. Each lamella with 13 claws; 3 rd claw slender and slightly shorter than 4 th claw. Bellonci organ. Organ elongate with about 32 segments at proximal (including base) and middle part. Medial eye. Large, with 3 sclerotic tubercles, 1 dorsal, 1 anterior and 1 lateral. Description of adult female. Carapace (Figs. 3 A – E; Plate 1). Length 4.32 – 4.53 mm. Its shape, number and position of ribs and ornamentation identical to S. appelloefi (Skogsberg 1920: 419 – 420, Fig. LXXVII) and S. gallardoi (Kornicker 1971: 194; 1975: 322, Figs. 197, 202). Middle rib lying below central muscle attachments extending almost full length of valve and straight into anterior half. Rostrum with powerful ventral process and rounded distally (Fig. 3 B). Incisure broad and almost rectangular. Infold on rostrum unstudied (this part of carapace of all specimens was covered by sedimentary crystals. Antero-ventral inside with 11 – 12 striations and about 8 minute setae (Fig. 3 D). Surface of valves with scattered undivided setae (Fig. 3 E). First antenna. First joint bare; second joint with 1 dorsal and 1 ventral long setae and 1 lateral relatively short seta, barely reaching fifth joint, all setae spinous; third joint with 3 setae, 1 ventral and 2 dorsal; fourth joint with 4 ventral and 2 dorsal setae; sensory seta of fifth joint with 6 proximal and 5 terminal filaments; sixth joint with long, spinous medial seta; seventh joint: a-seta spinous, somewhat longer than seta on sixth joint; b-seta with 4 – 5 proximal and 5 terminal filaments; c-seta with 7 proximal and 5 terminal filaments; d- and e-setae bare, subequal, longer than a-seta; f-seta with 2 proximal and 4 terminal filaments; g-seta with 6 proximal and 5 terminal filaments. Joints 2 to 5 with short spines forming clusters along ventral and dorsal margins. Second antenna (Fig. 3 J, K). Exopodite: first joint with minute elongate process on distal margin; distal margin joints 2 – 8 with spines in row and with minute basal spines; ninth joint with 7 setae consisting of 4 long and 3 short setae. Endopodite 2 - jointed: first joint with 5 proximal and 1 distal setae, proximal seta in proximal group longer than others; second joint with extremely long, spinous ventral seta reaching terminal margin of exopodite, short bare seta and minute process on terminale of this joint. Mandible (Fig. 5). Coxale: endite spinous with minute seta at its base and bifurcate tip. Basale: dorsal margin with 1 long bare seta anterior to middle and 2 subterminal setae of which 1 spinous and other bare; medial side with 6 setae, 1 near middle with long proximal spines and 5 proximal (3 pectinate and 2 spinous); lateral surface with 4 – 5 setae forming a row parallel to ventral margin; ventral margin with 4 distal setae. Exopodite about 3 / 4 – 4 / 5 length of first endopodial joint and with pointed or rounded tip and 2 long, spinous subterminal setae. Endopodite: ventral margin of first joint with 4 spinous setae; dorsal margin of second joint with 4 or 5 setae in proximal group and 6 (or rarely 7) in distal group, ventral margin of its joint with 3 setae in subterminal group and 3 setae in terminal group, proximal surface of this joint covered with short spines forming clusters; end joint with 3 claws and 4 setae. Maxilla: Endite I with 10 spinous and pectinate setae, endite II with 6 spinous and pectinate setae, endite III with 9 spinous and pectinate setae; first endite broader than second and third endites, third endite longer than first and second endites. Endopodite: first joint with 1 α-seta and 5 β-setae; second joint with 3 a-setae (normal type), 2 b-setae (of which 1 claw and other normal), 3 c-setae (normal type) and 2 d-setae (claws). Fifth limb (Fig. 6 A). Epipodite appendage with about 56 – 61 plumose setae. Exopodite: inner margin of large tooth of second joint with rounded or small pointed tooth. Fourth plus fifth joints total with about 7 setae. Sixth limb. Endite I with 2 terminal and 1 medial setae; endite II with 3 (rarely 4) terminal and 1 medial setae; endite III with 7 – 8 terminal and 1 medial setae; endite IV with 7 – 8 terminal and 1 medial setae; end joint with 31 – 35 setae; 3 – 4 setae present in place of epipodial appendage; medial and lateral surface of end joint with abundant long setules. Shape of limb similar to that figured by Skogsberg (1920: 425, Fig. LXXXI). Seventh limb (Fig. 6 B – G). Each limb with 10 – 12 setae, 6 (3 + 3) in distal group and 4 – 6 (3 + 3, 3 + 2 and 2 + 2) in proximal group; each distal seta with 3 – 7 bells and each proximal seta with 4 – 5 bells; terminally, limb with 13 – 17 pegs (total on comb and opposite comb; teeth on comb absent!). Caudal furca (Fig. 6 H). Each lamella with 15 – 17 claws. 3 rd claw more slender and slightly longer than 4 th claw; claws 5 to 15 – 17 decreasing in length posteriorly along lamella. Bellonci organ (Figs. 3 F – I; 4 A – C). Organ elongate with about 22 – 28 segments at proximal part (including base) and middle; tip usually pointed or rarely blunt. Lateral eye (Fig. 4 I). Eye elongate with 2 undivided ommatidia. Medial eye (Fig. 4 A – G). Large, with 3 sclerotic tubercles, 1 dorsal, 1 anterior and 1 lateral. Upper lip (Fig. 4 A, B, H). Lip hirsute ventrally and with several glandular processes at tip; large rounded process present between upper lip and base of first antenna. Description of adult male. Carapace (Fig. 7 A – G). Length 4.20 mm. Carapace more elongate than in female, shell thin, flexible, smooth with 3 longitudinal ridges barely perceptible; caudal process similar in shape to that on female valve; incisure more open than that on female; rostrum without lateral flap. Rostral infold with about 8 – 9 setae in a row. Surface of valves with scattered undivided setae (Fig. 7 G, plate 1 E). First antenna. First joint bare, second, third and fourth joints with spines forming clusters on medial and lateral surface; second joint with 3 spinous setae, 1 dorsal, 1 ventral and 1 lateral; third joint with 1 ventral and 2 dorsal setae; fourth joint short with 2 dorsal and 4 ventral (3 thick and long and 1 thin and short) setae; fifth joint triangular, inserted ventrally between fourth and sixth joint; sensory seta with abundant long filaments on broadened proximal part and 5 short distal filaments including tip; sixth joint with disto-medial seta with long spines at middle and short distal marginal spines. Seventh joint: a-seta about same length as seta of sixth joint; bseta stout with 3 proximal and 4 distal filaments; c-seta extremely long with 13 long filaments. Eight joint: d- and e-setae bare, subequal, somewhat longer than seta of sixth joint; f-seta about same length as c-seta and with 14 filaments; g-seta with 5 proximal and 4 distal filaments. Second antenna (Fig. 8 A – F). Exopodite: second joint bare; joints 3 to 8 with 2 – 4 minute basal spines (Fig. 8 A); ninth joint with 6 setae. Endopodite: first joint with 5 proximal and 1 distal setae (Fig. 8 C), second joint elongate with 3 setae near middle of ventral margin, and 1 thin and short subterminal seta; third joint elongate, reflexed, with 9 – 10 teeth along inner margin (Fig. 8 C – E), 2 short subterminal setae; and terminal ridges (barely visible). Mandible (Figs. 8 G – I; 9 A – D). Coxale endite represented by 2 distinct spines (Fig. 8 I). Basale: medial surface with 7 setae (5 proximal and 2 distal) on left limb and 5 setae (4 proximal and 1 distal) on right limb; ventral margin with 6 setae on left limb and 8 setae on right limb (some of these with bases on lateral side); dorsal margin with 1 long bare seta distal to middle and 2 long spinous subterminal setae; medial surface of joint with clusters of spines. Exopodite on right limb reaching past middle of dorsal margin of first endopodite joint, with 2 long terminal setae (of which one spinous and other bare); on left limb exopodite aberrant and represented by a short tubercle with 1 relatively long bare seta (Figs. 8 G, 9 A). Endopodite on right limb: first joint with 3 long and 1 short ventral setae; second joint with 7 dorsal setae (1 proximal and 6 grouped near the middle) and 2 distal groups of setae, each with 3 setae; medial surface and ventral margin of joint with spines forming clusters; end joint with 3 claws and 4 setae, of which 2 very short, 1 of medium length and 1 long. Endopodite of left limb abnormal: first joint with 3 ventral setae; second joint with 7 dorsal, 2 lateral and 4 ventral setae; medial surface and ventral margin with spines forming clusters; end joint with 3 claws and 4 setae, 1 short and 3 long; first and second joint somewhat shorter than that on right limb. All setae, as well as short and medium long claws on endopodite bare, while main claw with faint teeth. Maxilla and Fifth limb deformed. Sixth limb. Endites I to III deformed; endite IV with 9 setae; end joint with 29 setae; 2 setae present on place of epipodial appendage. Seventh limb (Fig. 9 E). Each limb with 8 – 9 setae, 4 in distal group (2 + 2) and 4 or 5 in proximal group (2 + 2 or 2 + 3); each distal seta with 3 – 7 bells and proximal seta with 2 – 4 bells; terminal comb with 1 bare peg (teeth on comb absent) and 4 bare pegs present on opposite comb. Caudal furca (Fig. 9 F). Each lamella with 13 claws. 3 rd claw slender and slightly shorter than 4 th claw; claws 5 to 13 decreasing in length posteriorly along lamella. Copulatory appendage. Organ extremely small, inconspicuous. Bellonci organ (Fig. 7 H, I). Organ elongate, with about 32 segments at proximal part (including base) and middle, and with pointed tip. Lateral eye (Fig. 9 G). Each eye with about 48 divided ommatidia; eyes large and pigmented. Medial eye (Fig. 7 H, J). Large, with 3 sclerotized tubercles, 1 dorsal, 1 anterior and 1 lateral. Upper lip and anterior process of body between lip and base of first antenna similar to that of female (Fig. 7 H). Description of A- 1 male. Carapace (Figs. 10 A – F; 11 C – E). Shape of carapace similar to that of adult female, but more elongate and truncate posteriorly. Length 3.15 – 4.04 mm. Infold of rostrum with 6 – 9 setae forming a vertical row. First antenna (Fig. 11 F). Second joint with 3 setae, 1 dorsal, 1 ventral and 1 lateral. Second antenna (Figs. 10 J, K; 11 G – J). Endopodite: first joint with 4 or 5 proximal and 1 distal setae; second joint with long spinous proximal setae (somewhat longer than endopodite) and 2 short bare setae near middle on ventral margin; third joint with midlength dorso-proximal setae and 2 short (3 as exception) subterminal setae. Mandible. Coxale, exopodite and first joint of endopodite similar to that of adult female. Ventral margin of basale only with 3 distal setae. Dorsal margin of second endopodial joint with 2 setae in proximal group, 1 middle seta and 7 setae in distal group; ventral margin with 2 setae in subterminal group and 3 setae in terminal group. Sixth limb. Endite I with 3 setae, endite II with 4 setae, endite III with 8 – 10 setae, endite IV with 8 – 9 setae, end joint with 23 – 26 setae; 3 setae present in place of epipodial appendage. Seventh limb (Fig. 10 L). Limb similar to that of adult female. Caudal furca. Each lamella with 14 or 15 claws. 3 rd claw slender and somewhat longer than 4 th claw; claws 5 to 14 – 15 decreasing in length posterior along lamella. Bellonci organ (Fig. 10 I; 11 F). Organ elongate, with 11 – 19 segments at proximal part (including base) and middle, and pointed or rounded tip. Medial eye, upper lip and anterior process of body (Figs. 10 I; 11 F). Similar to that of adult female. Description of A- 1 female. Carapace (Figs. 10 G, H; 11 A, B). Shape of carapace similar to that of adult female or elongate as in A- 1 male. Length 3.55 – 3.75 mm. Medial eye. Similar to that of adult female and male. Comparison. The new species is closely related to S. appelloefi Skogsberg, 1920 and S. gallardoi Kornicker, 1971, but differs in following respects: size of carapace larger, medial eye with 3 sclerotic tubercles (in other species bare), terminally seventh limb with about 13 – 17 pegs in female and 4 pegs in male (teeth on terminal comb absent).	en	Chavtur, Vladimir G., Keyser, Dietmar (2016): Benthic myodocopid Ostracoda (Philomedidae) from the Southern Ocean. Zootaxa 4141 (1): 1-70, DOI: 10.11646/zootaxa.4141.1.1
18659911FFB4C923FF08B107FAF8FE17.taxon	distribution	Distribution and ecology. Southern Ocean, upper bathyal species. It was collected in the Weddell Sea, Prydz Bay and near the Russian Polar Station “ Molodezhnaya ” at the depths of 239 to 755 m on fine sand (Fig. 1).	en	Chavtur, Vladimir G., Keyser, Dietmar (2016): Benthic myodocopid Ostracoda (Philomedidae) from the Southern Ocean. Zootaxa 4141 (1): 1-70, DOI: 10.11646/zootaxa.4141.1.1
18659911FFA2C929FF08B619FB5BFA65.taxon	description	1971 Scleroconcha gallardoi Kornicker: 194, Fig. 18.	en	Chavtur, Vladimir G., Keyser, Dietmar (2016): Benthic myodocopid Ostracoda (Philomedidae) from the Southern Ocean. Zootaxa 4141 (1): 1-70, DOI: 10.11646/zootaxa.4141.1.1
18659911FFA2C929FF08B619FB5BFA65.taxon	materials_examined	Studied material (coordinates, depth and bottom see Appendix). R / V “ Academic Fedorov ”, 34 th Soviet (Russian) Antarctic Expedition, station 1, sample 8: MIMB 18281 — adult female (length 3.79 mm). 52 th Russian Antarctic Expedition, station 12, sample 65: MIMB 18276 — adult female (4.25 mm), MIMB 18277 — adult female (4.16 mm), MIMB 18278 — adult female (4.07 mm), MIMB 1 8279 — adult female (4.12 mm), MIMB 18280 — adult female (4.10 mm), MIMB 18282 — immature female (3.40 mm) and MIMB 18 283 — immature male (3.26 mm), MIMB 18284 a, b and c — adult females (3.81, 3.82 and 3.55 mm). Additional material. See Appendix.	en	Chavtur, Vladimir G., Keyser, Dietmar (2016): Benthic myodocopid Ostracoda (Philomedidae) from the Southern Ocean. Zootaxa 4141 (1): 1-70, DOI: 10.11646/zootaxa.4141.1.1
18659911FFA2C929FF08B619FB5BFA65.taxon	diagnosis	Diagnosis of adult female. Carapace. Length 3.60 – 4.35 mm. Carapace reticulate with rib along ventral and dorsal margins, rib lying just within antero-ventral valve margin and present only on anterior half of valve; middle rib extending full length of valve and lying dorsal to central muscle attachments; a lower rib extending almost full length of valve and lying below central muscle attachments. Surface of valves with scattered undivided setae. Seventh limb. Each limb with 10 setae, 6 in distal group and 4 in proximal group. Terminally limb on comb with 9 – 17 bare teeth and 1 bare peg present on opposite comb.	en	Chavtur, Vladimir G., Keyser, Dietmar (2016): Benthic myodocopid Ostracoda (Philomedidae) from the Southern Ocean. Zootaxa 4141 (1): 1-70, DOI: 10.11646/zootaxa.4141.1.1
18659911FFA2C929FF08B619FB5BFA65.taxon	description	Caudal furca. Each lamella with 15 or 16 claws; 3 rd claw slender, subequal or slightly longer than 4 th claw. Bellonci organ. Organ elongate with about 22 – 29 segments at proximal part (include base) and middle. Medial eye. Large and smooth. Supplementary description of adult female. Carapace (Fig. 12 A – J; Plate 2 A – D). Length 3.60 – 4.25 mm (in literature: 3.76 – 4.35 mm). Shape, ribs and ornamentation of carapace similar to that of females illustrated by Kornicker (1975: Figs. 197, 201, 202). Middle rib lying below central muscle attachments straight in anterior half. Infold on rostrum with about 12 – 14 setae forming a vertical row. Antero-ventral inside with about 15 striations and about 20 minute setae in row (Fig. 12 I). Surface of valves with scattered undivided setae (Fig. 12 J). First antenna (Fig. 13 A, B). Joints 1 to 6 similar to those described by Kornicker (1971: 194). Seventh limb: a-seta somewhat longer than seta on sixth limb; b-seta with 2 proximal and 3 terminal filaments (in Kornicker 1971: 2 and 4 filaments, respectively); c-seta with 5 proximal and 5 terminal filaments; d- and e-setae bare and subequal; f-seta with 4 – 6 proximal and 5 terminal filaments (Kornicker 1971: 6 and 4 filaments, respectively); gseta with 5 proximal and 5 terminal filaments; joint 2 to 5 with clusters of setules along ventral and dorsal margins. Second antenna (Fig. 13 C – F). Exopodite: first joint with minute elongate process on distal margin; distal margin joints 2 – 8 with spines in a row and with tiny basal spines; ninth joint with 7 setae consisting of 4 long and 3 short setae (one specimen of the South Shetland Islands with 6 setae). Endopodite 2 - jointed: first joint with 4 or 5 proximal (one limb with aberrant proximal seta — Fig. 13 F) and 1 or 2 distal setae, proximal seta in proximal group longer than others; second joint with extremely long, spinous ventral seta barely reaching (or slightly not reaching) terminal margin of exopodite, short bare terminale (on limb it rises from a tubercle — Fig. 13 C, E). Mandible (Fig. 13 G, H). Basale with 8 – 9 ventral setae. Exopodite about 4 / 5 or 9 / 10 length of first endopodial joint. Endopodite: first joint with 4 – 5 ventral setae; dorsal margin of second joint with 5 setae in proximal group 6 setae in distal group and 1 seta between these groups, ventral margin 3 – 4 setae in subterminal group and 3 in terminal group. End joint with 4 setae and 3 claws. Maxilla. Anterior of basale with minute short setae. First endopodial joint with 1 α- and 5 β-setae; second joint with 3 a-setae (regular type), 2 b-setae (claws), 3 c-setae (regular type) and 2 d-setae (claws). Endite I with 9 setae, endite II with 6 setae, endite III with 10 setae. Fifth limb. Epipodial appendage with about 61 setae. Fourth plus fifth joints with 6 or 7 setae. Sixth limb (Fig. 14 E – G). Endite I with 3 terminal setae; endite II with 3 or 4 terminal and 1 medial setae; endite III with 8 terminal and 1 medial setae; endite IV with 8 or 9 terminal and 1 medial setae; end joint with 35 – 46 setae; 4 or 5 setae present in place of epipodial appendage (one limb with 2 aberrant setae on end joint — Fig. 14 F). Seventh limb (Fig. 15 G). Each limb with 10 setae (3 + 3 distal and 2 + 2 proximal); each seta with 3 – 8 (usual 4 – 7) bells. Terminal comb with 14 bare teeth (only with 13 on one and 17 teeth on other limb); single bare peg present on opposite comb. Caudal furca. Each lamella with 15 or 16 claws (on left limb with 13 claws). 3 rd claw more slender and subequal or slightly longer than 4 th claw. Bellonci organ (Fig. 13 A). Organ elongate with about 22 – 27 segments at proximal part (base included). Upper lip (Figs. 12 K; 13 B). Ventrally hirsute. Anterior process of body (Figs. 12 K; 13 B). Process large and rounded. Eggs: 2 specimens of King-George Island with 8 and 18 eggs in brood chamber. Supplementary description of A- 1 male. Carapace (Fig. 14 B, D). Length 3.21 – 3.26 mm. Shape and ornamentation similar, muscle attachments extending almost full length of valve (barely not reaching caudal process). Second antenna (Fig. 15 D – F). Endopodite: first joint with 4 subequal setae in proximal group and 1 distal seta; second joint with 1 extremely long spinous proximal seta and about 8 short bare setae in distal group on ventral margin (Kornicker 1975: 10 – 12 distal setae); third joint with midlength bare dorsal seta and 2 short terminal setae. Sixth limb. Endite I with 3 terminal setae; endite II with 3 terminal and 1 medial setae; endite III with 6 – 8 terminal and 1 medial setae; endite IV with 7 terminal and 1 medial setae; end joint with 27 – 32 setae; 3 setae present at place of epipodial appendage. Seventh limb (Fig. 15 H, I). Each limb with 8 setae, 4 (2 + 2) in proximal group and 4 (2 + 2) in distal group. Terminal comb with 3 – 4 bare teeth (= pegs) and 1 bare peg present on opposite comb. Caudal furca. Each lamella with 13 claws. Bellonci organ (Fig. 15 B, D). Organ elongate, with about 17 segments (base unsegmented), distally spinous, tip rounded and with small terminal spines. Description of A- 1 female. Carapace (Fig. 14 A, C). Similar to that of adult female, but slightly elongated. Length 3.26 – 3.40 mm. Second antenna. Ninth joint of exopodite with 6 terminal setae. Caudal furca. Each lamella with 14 claws.	en	Chavtur, Vladimir G., Keyser, Dietmar (2016): Benthic myodocopid Ostracoda (Philomedidae) from the Southern Ocean. Zootaxa 4141 (1): 1-70, DOI: 10.11646/zootaxa.4141.1.1
18659911FFA2C929FF08B619FB5BFA65.taxon	distribution	Distribution and ecology. Circumantarctic sublitoral-upper bathyal species. The species has been collected around almost all of the Antarctic continent between 53 ° and 77 ° S (as rule south of 60 ° S; Kornicker 1975): only 3 specimens were found in the Strait of Magellan — 53 ° 49 ’ 18 ” S and 70 ° 25 ’ 00 ” W (Fig. 1). This species has been collected at depths of 4.5 to 458 m, in the temperature range of 1.21 ° to — 0.92 ° C, on hard and soft substrates: rock, stone, gravel, sand, muddy sand, mud (Kornicker 1971, 1975; Hartmann 1987 a, 1988, 1989, 1990).	en	Chavtur, Vladimir G., Keyser, Dietmar (2016): Benthic myodocopid Ostracoda (Philomedidae) from the Southern Ocean. Zootaxa 4141 (1): 1-70, DOI: 10.11646/zootaxa.4141.1.1
18659911FFA8C929FF08B1F5FC06F907.taxon	materials_examined	Material (coordinates and depth see Appendix). 13 th Russian Antarctic Expedition, Polar station “ Molodezhnaya ”, section I, station 3, sample 2: MIMB 18285 — juvenile (length 1.75 mm). Section III, station 30, sample 90: juvenile (length about 1.5 mm).	en	Chavtur, Vladimir G., Keyser, Dietmar (2016): Benthic myodocopid Ostracoda (Philomedidae) from the Southern Ocean. Zootaxa 4141 (1): 1-70, DOI: 10.11646/zootaxa.4141.1.1
18659911FFA8C92AFF08B314FA2EFF3F.taxon	description	pseudolofthousae Kornicker, 1994, P. p t y x Kornicker, 1994, P. sphinx Kornicker, 1994, P. thorax Kornicker, 1994 are all described from SE- Australia and have not been encountered in the Southern Ocean at present. P. assimilis, P. orbicularis, P. charcoti, P. heptathrix, P. rotunda and P. tetrathrix were found in our material.	en	Chavtur, Vladimir G., Keyser, Dietmar (2016): Benthic myodocopid Ostracoda (Philomedidae) from the Southern Ocean. Zootaxa 4141 (1): 1-70, DOI: 10.11646/zootaxa.4141.1.1
18659911FFAAC914FF08B00DFD5DFBD7.taxon	materials_examined	Studied material (coordinates, depth and sediment see Appendix). 16 th Soviet (= Russian) Antarctic Expedition, sample 161: MIMB 18286 — adult female (2.05 mm). Sample 162: MIMB 18 287 and 18288 — 2 adult females (2.15 mm, other is deformed). Sample 164: MIMB 18 291 — adult male (2.16 mm). Sample — unknown (depth 45 m), 18 February 1972; MIMB 18293 — adult male (2.30 mm). Sample 166: MIMB 18 295 — immature male (1.90 mm). Sample 169: MIMB 18 292 — adult male (2.05 mm); MIMB 18289 — adult female (1.92 mm). 34 th Soviet (= Russian) Antarctic Expedition, station 10, sample 1: MIMB 18294 — adult male (2.10 mm).	en	Chavtur, Vladimir G., Keyser, Dietmar (2016): Benthic myodocopid Ostracoda (Philomedidae) from the Southern Ocean. Zootaxa 4141 (1): 1-70, DOI: 10.11646/zootaxa.4141.1.1
18659911FFAAC914FF08B00DFD5DFBD7.taxon	description	RV “ Polarstern ”, ANT XIII / 3, station 39 / 02: ZMH-K- 42264 — adult female (1.97 mm) and ZMH-K- 42265 — adult male (2.24 mm). 52 th Russian Antarctic Expedition, station 8, sample 37: MIMB 18290 — adult female (2.02 mm).	en	Chavtur, Vladimir G., Keyser, Dietmar (2016): Benthic myodocopid Ostracoda (Philomedidae) from the Southern Ocean. Zootaxa 4141 (1): 1-70, DOI: 10.11646/zootaxa.4141.1.1
18659911FFAAC914FF08B00DFD5DFBD7.taxon	materials_examined	Additional material. See Appendix.	en	Chavtur, Vladimir G., Keyser, Dietmar (2016): Benthic myodocopid Ostracoda (Philomedidae) from the Southern Ocean. Zootaxa 4141 (1): 1-70, DOI: 10.11646/zootaxa.4141.1.1
18659911FFAAC914FF08B00DFD5DFBD7.taxon	diagnosis	Diagnosis of female (Kornicker 1975, with additional remarks). Carapace: with truncate posterior and angular caudal process, length 1.67 – 2.15 mm. First antenna: 2 nd joint with 5 – 7 setae, 3 – 4 ventral, 1 lateral and 1 – 2 dorsal.	en	Chavtur, Vladimir G., Keyser, Dietmar (2016): Benthic myodocopid Ostracoda (Philomedidae) from the Southern Ocean. Zootaxa 4141 (1): 1-70, DOI: 10.11646/zootaxa.4141.1.1
18659911FFAAC914FF08B00DFD5DFBD7.taxon	description	Second antenna: 1 st joint of endopodite with 5 – 6 setae, 4 – 5 proximal and 1 distal; 2 nd joint with 1 long and 3 short ventral setae and 1 long recurved terminal seta. Mandible: dorsal margin of basale with 4 – 6 setae, 2 – 4 near middle and 2 subterminal. Sixth limb: epipodite with 3 – 5 setae. Seventh limb: each limb with 8 – 10 (usually 9) setae, 4 – 5 distal and 3 – 5 proximal; 1 – 2 pegs present on opposite terminal comb. Caudal furca: each lamella with 10 (very rarely 9) claws. Bellonci organ: 1 - jointed, with rounded tip. Lateral eye: small with 2 divided ommatidia. Anterior process (above upper lip): relatively developed and with rounded tip.	en	Chavtur, Vladimir G., Keyser, Dietmar (2016): Benthic myodocopid Ostracoda (Philomedidae) from the Southern Ocean. Zootaxa 4141 (1): 1-70, DOI: 10.11646/zootaxa.4141.1.1
18659911FFAAC914FF08B00DFD5DFBD7.taxon	diagnosis	Diagnosis of male. Carapace: length 2.12 – 2.25 mm. First antenna: 2 nd joint with 4 – 5 setae, 2 – 3 ventral, 1 lateral and 1 – 2 dorsal.	en	Chavtur, Vladimir G., Keyser, Dietmar (2016): Benthic myodocopid Ostracoda (Philomedidae) from the Southern Ocean. Zootaxa 4141 (1): 1-70, DOI: 10.11646/zootaxa.4141.1.1
18659911FFAAC914FF08B00DFD5DFBD7.taxon	description	Second antenna: 1 st joint of endopodite with 6 seta, 5 proximal and 1 distal; proximal seta of 3 rd joint somewhat longer than half of its length. Mandible: dorsal margin of basale with 4 setae, 2 near middle and 2 subterminal; coxale endite present. Sixth limb: epipodite with 3 (rarely with 2) setae. Seventh limb: each limb with 8 – 10 (usually with 9) setae, 4 – 5 distal and 4 – 5 proximal; 2 pegs present on opposite terminal comb. Caudal furca: each lamella with 9 (rarely with 10) claws. Bellonci organ: 1 - jointed, with rounded tip. Anterior process (above upper lip): relatively developed with rounded tip. Supplementary description of adult female. Carapace (Figs. 17 A – L, R – T; 18 A – C). Length 1.67 – 2.15 mm (in literature: 1.67 – 2.0 mm). Shape of carapace very various (Fig. 17). Infold on rostrum with about 13 – 28 setae forming a vertical row and on incisure with 3 – 4 setae near margin. Anterior-ventral inside with about 10 – 34 short setae and with 13 – 15 striations. Infold on caudal process with 3 – 11 short setae. First antenna (Fig. 18 D, H). First joint with 4 – 5 setae in proximal group and 1 distal seta. Second joint with 5 – 7 setae, 1 – 2 dorsal, 1 lateral and 3 or 4 ventral. Second antenna (Fig. 18 I – L). Length of setae (1 long and 3 short ventral and 1 subterminal setae) on second endopodite joint varying. Mandible (Fig. 21 F). Basale: dorsal margin with 4 – 6 setae, 2 – 4 near middle and subterminal setae; medial side with 6 setae, 3 pectinate and 3 normal; lateral surface with 4 – 5 setae forming a row parallel to ventral margin; ventral margin with 3 – 4 distal setae. Endopodite: first joint with 3 – 4 ventral setae; dorsal margin of second joint with 2 setae in proximal group, 6 setae in distal group and 1 seta between these groups, ventral margin with 2 – 3 setae in subterminal group and 3 setae in terminal group. Sixth limb. Endite I with 2 – 3 terminal and 1 medial setae, endite II with 3 terminal and 1 medial setae, endite III with 8 – 9 terminal and 1 medial setae, endite IV with 7 – 8 terminal and 1 medial setae, end joint with 24 – 30 setae, 3 – 5 setae present in place of epipodial appendage. Seventh limb. Each limb with 8 – 10 setae, 4 – 6 distal (usually 2 + 3, rarely 2 + 2 and 3 + 3) and 4 – 5 setae (usually 2 + 2, rarely 3 + 2 and 1 + 3); each seta with 2 – 5 bells. Terminal comb with 10 – 11 teeth; 1 – 2 pegs present opposite comb. Caudal furca. Each lamella usually with 10 claws and rarely 9 claws. Bellonci organ (Fig. 18 D, E). 1 - jointed, with rounded tip. Upper lip (Figs. 18 D, F, G; 20 H). Lip ventrally hirsute and with several glandular processes at tip. Anterior process of body (Figs. 18 D, F, G; 20 H). Relatively large and rounded. Supplementary description of adult male. Carapace (Fig. 19 A – I): Length 2.12 – 2.25 mm (in literature: 2.12 – 2.24 mm). Shape of carapace variable (Fig. 19 A – E). Infold on rostrum with about 17 – 18 setae forming a row. Antero-ventral inside with about 11 – 15 spine-like setae. Infold on caudal process with 4 – 6 spine-like setae. First antenna (Figs. 19 L; 20 E – G; 22 A – H). Second joint with 4 – 5 setae, 1 dorsal, 1 lateral and 2 – 3 ventral setae; length of setae varying (Fig. 22 A – H). Sensory seta on fifth joint evenly tapered from base to tip (without knee in middle) and with 5 terminal filaments (Fig. 20 I). Second antenna (Figs. 20 J; 21 A – D). First endopodial joint with 6 setae, 5 proximal and 1 distal; second joint with 2 muscle bands, one extends from first joint to proximal margin of third joint and other from middle of dorsal margin of second joint to proximal margin of third joint (Fig. 21 D). Proximal seta of third joint slightly longer than half of its length. Mandible (Fig. 21 E, G). Coxale endite bifurcate distally. Basale: dorsal margin with 4 setae, 2 near middle and 2 subterminal setae; medial side with 6 setae; lateral surface with 4 setae forming a row parallel to the ventral margin; ventral margin with 3 distal setae. Endopodite: first joint with 4 or 5 ventral setae; dorsal margin of second joint with 2 setae in proximal group, 6 setae in distal group and 1 seta between these groups, and ventral margin with 2 – 3 setae in subterminal group and 3 setae in terminal group. Sixth limb. Endite I with 1 – 2 terminal and 1 – 2 medial setae; endite II with 2 – 3 terminal and 1 medial setae; endite III with 7 – 8 terminal and 1 medial setae; endite IV with 7 – 8 terminal and 1 medial setae; end joint with 21 setae (in all studied females); 2 – 3 setae present in place of epipodial appendage. Seventh limb (Fig. 21 H). Each limb with 8 – 10 setae, 4 – 5 distal (2 + 3 or 2 + 2) and 4 – 5 proximal (2 + 3 or 2 + 2); each seta with 3 – 6 bells. Terminal comb with 10 teeth; 2 pegs present on opposite comb. Caudal furca (Fig. 22 K – N). Limb with 9 + 9 or 9 + 10 claws. Copulatory appendage (Fig. 22 K – N). Elongate, with 2 lobes (long and short). Length of appendage varying, about half to 9 / 10 length of lamella of furca. Medial eye (Fig. 20 A – G). Large, usual smooth (only in female (Fig. 20 C, G) eye with 3 anterior sclerotic tubercles.). Bellonci organ (Figs. 19 K, 20 A – G). Elongate, unsegmented, with rounded tip and subequal, slightly longer, or shorter than length of first joint of first antenna. Upper lip (Fig. 20 E – G). Tip with several glandular processes. Anterior process of body (Fig. 20 E – G). Small or midsize and rounded. Supplementary of A- 1 male. Length 1.75 mm. First antenna. Second joint with 1 dorsal, 1 lateral and 2 ventral setae; third joint with 2 dorsal and 1 ventral setae; fourth joint with 1 dorsal and 3 ventral setae. Second antenna (Fig. 22 I, J). First joint with 6 setae, 5 proximal and 1 distal; second joint with 1 long spinous and 2 short ventral setae; third joint with 1 long dorsal and 2 short terminal setae. Mandible. Similar to that of adult female. Sixth limb. 4 setae present in place of epipodial appendage. Seventh limb. Each limb with 9 setae (2 + 3 distal and 2 + 2 proximal). Terminal comb with 9 teeth; 1 peg present on opposite comb. Caudal furca. Each lamella with 9 claws.	en	Chavtur, Vladimir G., Keyser, Dietmar (2016): Benthic myodocopid Ostracoda (Philomedidae) from the Southern Ocean. Zootaxa 4141 (1): 1-70, DOI: 10.11646/zootaxa.4141.1.1
18659911FFAAC914FF08B00DFD5DFBD7.taxon	distribution	Distribution and ecology. Circumantarctic sublitoral-bathyal species. It has been collected almost around the whole Antarctic continent between 62 ° and 78 ° S (as rule to south of 65 – 66 ° S (Fig. 16 )) at depths of 7 to 876 m, temperature range of 0.57 ° to - 1.53 ° C and on hard and soft substrates: rock, stone, gravel, sand, muddy sand (Brady 1907; Kornicker 1971, 1975; Hartmann 1989).	en	Chavtur, Vladimir G., Keyser, Dietmar (2016): Benthic myodocopid Ostracoda (Philomedidae) from the Southern Ocean. Zootaxa 4141 (1): 1-70, DOI: 10.11646/zootaxa.4141.1.1
18659911FF95C91CFF08B05EFE8CFC2A.taxon	description	1975 Philomedes heptathrix Kornicker: 248 – 255, Figs. 131, 135 (map), 147 – 150. 1971 Philomedes species A — Kornicker,: 192, Fig. 17 (?). Non 1990 Philomedes heptathrix Kornicker, 1975 — Hartmann: 199, Abb. 1.	en	Chavtur, Vladimir G., Keyser, Dietmar (2016): Benthic myodocopid Ostracoda (Philomedidae) from the Southern Ocean. Zootaxa 4141 (1): 1-70, DOI: 10.11646/zootaxa.4141.1.1
18659911FF95C91CFF08B05EFE8CFC2A.taxon	materials_examined	Studied material (coordinates, depth and sediment see Appendix). 13 th Soviet (= Russian) Antarctic Expedition, Polar station “ Molodezhnaya ” cutting 1, station 3, sample 10: MIMB 18301 — immature male (1.67 mm). RV “ Polarstern ”, ANT XV / 3, station 171: ZMH-K- 42266 and 42267 — 2 adult females (1.95 and 1.77 mm).	en	Chavtur, Vladimir G., Keyser, Dietmar (2016): Benthic myodocopid Ostracoda (Philomedidae) from the Southern Ocean. Zootaxa 4141 (1): 1-70, DOI: 10.11646/zootaxa.4141.1.1
18659911FF95C91CFF08B05EFE8CFC2A.taxon	description	52 th Russian Antarctic Expedition, station 10, sample 54: MIMB 18297 and 18298 — 2 adult females (2.0 – 1.90 mm). Station 10, sample 56: MIMB 18 302 — adult female (1.85 mm) and MIMB 18296 — adult male (2.17 mm). Station 12, sample 65: MIMB 18 300 — adult female (1.87 mm).	en	Chavtur, Vladimir G., Keyser, Dietmar (2016): Benthic myodocopid Ostracoda (Philomedidae) from the Southern Ocean. Zootaxa 4141 (1): 1-70, DOI: 10.11646/zootaxa.4141.1.1
18659911FF95C91CFF08B05EFE8CFC2A.taxon	materials_examined	Additional material. See Appendix.	en	Chavtur, Vladimir G., Keyser, Dietmar (2016): Benthic myodocopid Ostracoda (Philomedidae) from the Southern Ocean. Zootaxa 4141 (1): 1-70, DOI: 10.11646/zootaxa.4141.1.1
18659911FF95C91CFF08B05EFE8CFC2A.taxon	diagnosis	Diagnosis of female (Kornicker 1975, with additional remarks). Carapace: posterior rounded with narrow caudal process, length 1.60 – 2.02 mm. First antenna: 2 nd joint with 3 setae, 1 ventral, 1 lateral and 1 dorsal.	en	Chavtur, Vladimir G., Keyser, Dietmar (2016): Benthic myodocopid Ostracoda (Philomedidae) from the Southern Ocean. Zootaxa 4141 (1): 1-70, DOI: 10.11646/zootaxa.4141.1.1
18659911FF95C91CFF08B05EFE8CFC2A.taxon	description	Second antenna: 1 st joint of endopodite with 7 – 9 setae, 5 – 6 proximal and 2 – 3 distal; 2 nd joint with 1 long and 3 or 4 (very rarely) short ventral setae and 1 long recurved terminal seta. Mandible: dorsal margin of basale with 6 – 7 setae, 4 – 5 near middle and 2 subterminal. Sixth limb: epipodite with 3 setae. Seventh limb: each limb with 9 – 13 setae, 4 – 5 distal and 5 – 8 proximal; 2 – 3 pegs present on opposite terminal comb. Caudal furca: each lamella with 10 (or rarely 11) claws. Bellonci organ: 1 - or 2 - jointed, with rounded tip. Lateral eye: small with 2 – 3 divided ommatidia. Anterior process (above upper lip): developed, with rounded tip.	en	Chavtur, Vladimir G., Keyser, Dietmar (2016): Benthic myodocopid Ostracoda (Philomedidae) from the Southern Ocean. Zootaxa 4141 (1): 1-70, DOI: 10.11646/zootaxa.4141.1.1
18659911FF95C91CFF08B05EFE8CFC2A.taxon	diagnosis	Diagnosis of male. Carapace: length 1.75 – 2.17 mm. First antenna: 2 nd joint with 2 – 3 setae, 1 ventral, 0 – 1 lateral and 1 dorsal.	en	Chavtur, Vladimir G., Keyser, Dietmar (2016): Benthic myodocopid Ostracoda (Philomedidae) from the Southern Ocean. Zootaxa 4141 (1): 1-70, DOI: 10.11646/zootaxa.4141.1.1
18659911FF95C91CFF08B05EFE8CFC2A.taxon	description	Second antenna: 1 st joint of endopodite with 5 setae, 4 proximal and 1 distal; proximal seta of 3 rd joint about half of its length. Mandible: dorsal margin of basale with 5 – 6 setae, 3 – 4 near middle and 2 subterminal; coxale endite present. Sixth limb: epipodite with 3 setae. Seventh limb: each limb with 10 – 12 setae, 5 distal and 5 – 7 proximal; 2 pegs present on opposite terminal comb. Caudal furca: each lamella with 9 – 10 claws. Bellonci organ: 2 - jointed, with rounded tip. Anterior process (above upper lip): small, with rounded tip. Supplementary description of adult female. Carapace (Figs. 24 A – G, I – M; 25 A, Plate 2 E, F). Length 1.75 – 2.02 mm (Kornicker 1975: 1.60 – 1.85 mm). Infold on rostrum with 19 – 24 setae forming L-shaped row. Anteroventral inside with 20 – 28 short setae and 10 – 11 striations (Kornicker 1975: 17 setae and 9 – 10 striations). Posterior infold with middle row of 5 – 11 short setae (Kornicker 1975: 6 setae). Carapace smooth but with faint reticulations; sparse setae present on lateral surface (Fig. 25 A). First antenna (Fig. 25 B, F). Second joint with 3 setae, 1 dorsal, 1 lateral and 1 ventral. Dorsal and ventral margins of first and second joints with long spines. Second antenna (Fig. 25 I – N). Endopodite: first joint with 7 – 9 setae, 5 (normal) or 6 (exception) proximal and 2 or 3 distal (Kornicker 1975: only 2) setae. Ventral margin of second joint with 1 long and 3 (as exception 4) short setae. Mandible (Fig. 27 H, J). Basale: dorsal margin with 6 – 7 setae, 4 – 5 near middle and 2 subterminal setae; medial side with 6 setae, 3 pectinate and 3 normal type; lateral surface with 4 – 6 setae forming a row parallel to ventral margin; ventral margin with 3 – 4 distal setae. Endopodite: dorsal margin of second joint with 2 (as exception 1) setae in proximal group, 6 (as exception 4) setae in distal group and 1 seta between these groups, and ventral margin with 3 setae in subterminal and 3 in terminal groups. Sixth limb (Fig. 26 C – F). Endite I with 2 terminal and 1 medial setae; endite II with 3 terminal and 1 medial setae; endite III with 7 – 8 terminal and 1 medial setae; endite IV with 7 – 9 terminal and 1 medial setae; end joint with 21 – 28 setae; 3 setae present in place on epipodial appendage. Seventh limb. Each limb with 10 – 13 setae (Kornicker 1975: 9 – 12 setae), 4 – 5 distal (2 + 3 or 2 + 2) and 6 – 8 proximal (3 + 3, 3 + 4 or 4 + 4) setae; each seta with 3 – 5 bells. Terminal comb with 12 – 14 teeth (Kornicker 1975: 13 – 15 teeth); 2 – 3 pegs present on opposite comb. Caudal furca. Limb with 10 + 10 or 10 + 11 claws. Bellonci organ (Fig. 25 B – D). Organ elongate, 1 - jointed (Kornicker, 1975: 2 - jointed) and with rounded tip. Upper lip (Fig. 25 B, C, E). Lip with several glandular processes at tip. Anterior process on body (Fig. 25 B, C). Somewhat elongated, with rounded tip. Supplementary description of adult male. Carapace (Fig. 26 G – J). Length 2.17 mm (Kornicker 1975: 1.75 – 2.07 mm). Greatest height at posterior half. Rostrum broad. Infold on rostrum with 3 – 4 setae along vertical margin, and 12 – 16 setae paralleling anterior margin; 1 minute seta present on infold below rostrum; about 15 – 16 short setae (Kornicker 1975: 12 setae) present in a row on antero-ventral infold; about 6 spine-like short setae present along posterior margin of infold of caudal process. Lateral surface of carapace with scattered short setae (with thick base). First antenna (Fig. 27 B, C). Second joint with 3 setae, 1 long spinous ventral, 1 lateral and 1 dorsal short bare setae. Sensory seta of fifth joint with slightly visible knee in middle (Fig. 27 C) and 4 terminal filaments. Second antenna (Fig. 27 E, F). Endopodite: first joint with 5 – 6 setae, 4 – 5 proximal and 1 distal; second joint with 1 muscle band extending from dorso-median of its margin to the proximal margin of third joint (Fig. 27 E). Proximal seta of third joint about half of its length. Mandible (Fig. 27 G, I, K). Coxale endite bifurcate with very short base. Basale: dorsal margin with 5 – 6 setae, 3 – 4 near middle and 2 subterminal (1 long and 1 short about half the length of dorsal margin of first endopodial joint); medial side with 6 setae, lateral surface with 4 setae forming a row parallel to ventral margin; ventral margin with 3 distal setae. Endopodite: first joint with 4 – 5 ventral setae (Kornicker 1975: 3 – 4 setae); second joint similar to that of adult female. Sixth limb. Endite I with 2 terminal and 1 medial setae, endite II with 4 terminal and 1 medial setae, endite III with 7 terminal and 1 medial setae, endite IV with 7 terminal and 1 medial setae, end joint with 18 setae; 3 setae present in place of epipodial appendage. Seventh limb (Fig. 28 G). Each limb with 11 – 12 setae, 5 (3 + 2) in distal group and 6 – 7 (3 + 3 or 3 + 4) in proximal group. Terminal comb with 10 teeth; 2 pegs present on opposite comb. Caudal furca (Fig. 28 C). Limb with 9 + 9 claws. Copulatory appendage (Fig. 28 B). Limb very short about 1 / 3 of length of lamella of furca or 1 / 2 length of its 1 st claw. Medial eye (Fig. 27 A, B). Large and smooth. Bellonci organ (Fig. 27 A, B). Elongate, 2 - jointed, with rounded tip and subequal in length or barely longer than first joint of first antenna. Upper lip (Fig. 27 B, D). Ventrally slightly hirsute. Tip with several glandular processes. Anterior process on body (Fig. 27 B). Reduced. Description of A- 1 male. Carapace. Length 1.67 mm. First antenna. Second joint with 4 spinous setae, 1 dorsal, 1 lateral and 2 ventral. Dorsal and ventral margins of first and second joints with long spines. Second antenna (Fig. 28 E, F). Endopodite: first joint with 3 – 4 proximal and 1 distal setae; second joint with 1 long and 3 short ventral setae; third joint with 1 medium-long dorsal and 2 short terminal setae. Mandible. Basale: dorsal margin with 6 setae, 4 near middle and 2 subterminal; medial side with 6 setae; lateral surface with 4 setae forming a row parallel to ventral margin; ventral margin with 3 distal setae. Endopodite: first joint with 4 ventral setae; dorsal margin of second joint with 2 setae in proximal group, 6 setae in distal group and 1 seta between these groups, and ventral margin with 3 setae in subterminal and 3 in terminal groups. Seventh limb. Each limb with 11 – 12 setae, 4 – 5 distal (2 + 2 or 2 + 3) and 7 proximal (3 + 4) setae; each seta with 3 – 4 bells. Terminal comb with 10 alate teeth; 2 pegs present on opposite comb. Caudal furca. Limb with 9 + 9 claws. Bellonci organ. Elongate, about as long as first joint of first antenna, without suture and with rounded tip. Medial eye. Bare.	en	Chavtur, Vladimir G., Keyser, Dietmar (2016): Benthic myodocopid Ostracoda (Philomedidae) from the Southern Ocean. Zootaxa 4141 (1): 1-70, DOI: 10.11646/zootaxa.4141.1.1
18659911FF95C91CFF08B05EFE8CFC2A.taxon	discussion	Remarks. Our specimen of male differs from Kornicker’s description (1975) by a different shape of carapace and smaller size of copulatory organ. Beside that, our A- 1 male differs in having 2 ventral setae on the second joint of the first antenna.	en	Chavtur, Vladimir G., Keyser, Dietmar (2016): Benthic myodocopid Ostracoda (Philomedidae) from the Southern Ocean. Zootaxa 4141 (1): 1-70, DOI: 10.11646/zootaxa.4141.1.1
18659911FF95C91CFF08B05EFE8CFC2A.taxon	distribution	Distribution and ecology. Circumantarctic sublitoral-upper bathyal species. It has been collected in the Weddell Sea (Kornicker 1975; present study), in the vicinity of the Ross Sea (Kornicker 1975), Prydz Bay and near the Russian Polar station “ Molodezhnaya ” (present study) and in the area 66 ° S and 69 ° W (Hartmann 1990) between 66 ° and 77 ° S (Fig. 23) at the depths of 15 to 570 m, on hard and soft substrates: rock, stone, gravel, sand, muddy sand.	en	Chavtur, Vladimir G., Keyser, Dietmar (2016): Benthic myodocopid Ostracoda (Philomedidae) from the Southern Ocean. Zootaxa 4141 (1): 1-70, DOI: 10.11646/zootaxa.4141.1.1
18659911FF9DC91CFF08B03FFC79F989.taxon	materials_examined	Studied material (coordinates, depth and sediment see Appendix). RV “ Polarstern ”, ANT XV / 3 station 148: adult female or A- 1 female (1.77 mm).	en	Chavtur, Vladimir G., Keyser, Dietmar (2016): Benthic myodocopid Ostracoda (Philomedidae) from the Southern Ocean. Zootaxa 4141 (1): 1-70, DOI: 10.11646/zootaxa.4141.1.1
18659911FF9DC91CFF08B03FFC79F989.taxon	description	Description of adult female (or A- 1 female) (Fig. 24 H). Length 1.77 mm. Second antenna (Fig. 25 H). Endopodite: first joint only with 1 distal seta. Mandible (Fig. 26 A, B). Basale: dorsal margin with 7 setae, 5 near middle and 2 subterminal; lateral surface with 5 setae; ventral margin with 3 distal setae. Sixth limb. Epipodial appendage with 3 – 4 setae. Seventh limb. Each limb with 11 setae, 5 (2 + 3) in distal group and 6 (3 + 3) in proximal group; each seta with 3 – 5 bells. Terminal comb with 13 alate teeth; 2 pegs present on opposite comb. Caudal furca. Limb with 9 + 10 claws.	en	Chavtur, Vladimir G., Keyser, Dietmar (2016): Benthic myodocopid Ostracoda (Philomedidae) from the Southern Ocean. Zootaxa 4141 (1): 1-70, DOI: 10.11646/zootaxa.4141.1.1
18659911FF9DC91CFF08B03FFC79F989.taxon	discussion	Remarks. Carapace and limbs are similar to Kornicker’s and our specimens of P. heptathrix. It differs in the following: first endopodial joint of second antenna only with 1 distal seta.	en	Chavtur, Vladimir G., Keyser, Dietmar (2016): Benthic myodocopid Ostracoda (Philomedidae) from the Southern Ocean. Zootaxa 4141 (1): 1-70, DOI: 10.11646/zootaxa.4141.1.1
18659911FF9DC91EFF08B2A2FD40F87E.taxon	description	1908 Philomedes charcoti Daday,: 9, Figs. 11, 12.	en	Chavtur, Vladimir G., Keyser, Dietmar (2016): Benthic myodocopid Ostracoda (Philomedidae) from the Southern Ocean. Zootaxa 4141 (1): 1-70, DOI: 10.11646/zootaxa.4141.1.1
18659911FF9DC91EFF08B2A2FD40F87E.taxon	materials_examined	Studied material (coordinates, depth and sediment see Appendix). 52 th Russian Antarctic Expedition, Prydz Bay, station 2, sample 43: MIMB 18303 and 18 304 — 2 adult females (2.02 and 2.05 mm). Station 2, sample 44: MIMB 18305 — adult female (1.87 mm) and MIMB 1 8306 — adult male (2.02 mm). Station 10, sample 55: MIMB 18 307 — immature male (1.72 mm). Additional material. See Appendix.	en	Chavtur, Vladimir G., Keyser, Dietmar (2016): Benthic myodocopid Ostracoda (Philomedidae) from the Southern Ocean. Zootaxa 4141 (1): 1-70, DOI: 10.11646/zootaxa.4141.1.1
18659911FF9DC91EFF08B2A2FD40F87E.taxon	diagnosis	Diagnosis of female (Kornicker 1975, with additional remarks) Carapace: with truncate posterior and rounded postero-ventral corner, surface distinctly reticulate, length 1.71 – 2.05 mm.	en	Chavtur, Vladimir G., Keyser, Dietmar (2016): Benthic myodocopid Ostracoda (Philomedidae) from the Southern Ocean. Zootaxa 4141 (1): 1-70, DOI: 10.11646/zootaxa.4141.1.1
18659911FF9DC91EFF08B2A2FD40F87E.taxon	description	First antenna: 2 nd joint with 2 – 3 setae, 1 ventral, 0 – 1 lateral and 1 dorsal. Second antenna: 1 st joint of endopodite with 6 setae, 5 proximal and 1 distal; 2 nd joint with 1 long ventral and 1 long terminal seta. Mandible: dorsal margin of basale with 3 setae, 1 near middle and 2 subterminal. Sixth limb: epipodite with 2 – 3 setae. Seventh limb: each limb with 15 – 18 setae, 4 – 5 distal and 10 – 13 proximal; 2 pegs present on opposite terminal comb. Caudal furca: each lamella with 9 (rarely) or 10 claws, main claws short, stout, often with rounded tips. Bellonci organ: 1 - or 2 - jointed, with pointed tip. Lateral eye: elongate, with 2 ommatidia. Anterior process (above upper lip): developed, with rounded tip.	en	Chavtur, Vladimir G., Keyser, Dietmar (2016): Benthic myodocopid Ostracoda (Philomedidae) from the Southern Ocean. Zootaxa 4141 (1): 1-70, DOI: 10.11646/zootaxa.4141.1.1
18659911FF9DC91EFF08B2A2FD40F87E.taxon	diagnosis	Diagnosis of male. Carapace: length 2.20 mm. First antenna: 2 nd joint with 3 setae, 1 ventral, 1 lateral and 1 dorsal.	en	Chavtur, Vladimir G., Keyser, Dietmar (2016): Benthic myodocopid Ostracoda (Philomedidae) from the Southern Ocean. Zootaxa 4141 (1): 1-70, DOI: 10.11646/zootaxa.4141.1.1
18659911FF9DC91EFF08B2A2FD40F87E.taxon	description	Second antenna: 1 st joint of endopodite with 4 – 5 setae, 3 – 4 proximal and 1 distal; proximal seta of 3 rd joint about 3 / 4 of its length. Mandible: dorsal margin of basale with 3 setae, 1 near middle and 2 subterminal; coxale endite present. Sixth limb: epipodite with 3 setae. Seventh limb: each limb with 12 – 15 setae, 4 – 6 distal and 5 – 10 proximal; 2 pegs present on opposite terminal comb. Caudal furca: each lamella with 8 or 9 claws. Bellonci organ: 1 - jointed, with rounded tip. Anterior process (above upper lip): undeveloped and slightly rounded. Supplementary description of adult female. Carapace. (Fig. 29 A – C). Length 1.80 – 2.05 mm (in literature: 1.71 – 1.96 mm). Carapace with truncate posterior and rounded postero-ventral corner. Infold on rostrum with 10 – 11 setae forming a row and 3 setae near incisure. Antero-ventral inside with 12 – 13 striations and 1 – 9 setae. Infold on caudal process with 2 – 8 short setae. Carapace with distinctly reticulate pattern. First antenna (Fig. 29 E). Second joint with 3 setae, 1 dorsal, 1 lateral and 1 vertical. Second antenna (Fig. 29 F, G). Endopodite: first joint with 5 proximal and 1 distal setae; second joint with 1 long spinous ventral seta and 1 subterminal short bare seta. Mandible (Fig. 29 H). Basale: dorsal margin with 3 setae, 1 near middle and 2 subterminal; medial side with 6 setae, 3 pectinate and 3 usual type; lateral surface with 5 setae parallel to ventral margin; ventral margin usually with 2 distal setae. Endopodite: first joint with 4 ventral setae; dorsal margin of second joint with 2 setae in proximal group, 6 (rarely 5) setae in distal group and 1 seta between these groups; ventral margin with 2 setae in subterminal and 3 setae in terminal group. Sixth limb. Endite I with 1 or 2 terminal and 1 medial setae, endite II with 3 terminal and 1 medial setae, endite III with 8 terminal and 1 medial setae, endite IV with 7 (rarely 6) terminal and 1 medial setae, end joint with 16 – 18 setae; 2 or 3 setae present in place of epipodial appendage. Seventh limb. Each limb with 15 – 18 setae, 4 – 5 distal (usually 3 + 2 and rarely 2 + 2) and 11 – 13 proximal (5 + 6, 5 + 7 or 5 + 8) setae; each seta with 2 – 8 bells. Terminal comb with 12 teeth; 2 pegs present on opposite comb. Caudal furca (Fig. 29 I). Limb with 10 + 10 or 10 + 9 claws. Claws 1 – 4 stout and short. Medial eye (Fig. 29 D). Large, smooth. Bellonci organ (Fig. 29 D). Elongate, 2 - jointed with pointed tip. Upper lip (Fig. 29 D). Ventrally hirsute, terminally with several glandular processes. Anterior process on body (Fig. 29 D). Developed, rounded. Supplementary description of adult male. Carapace (Figs. 29 J – L; 30 A): Length 2.20 mm. Carapace elongated and reticulated. Height subequal in anterior and posterior. Infold on rostrum with about 11 setae forming a vertical row and 2 setae placed near ventral margin of rostrum. Below incisure 1 minute seta is present. Anteroventral inside with 8 or 9 setae. Infold on caudal process with 3 or 4 spine-like minute setae. First anten na (Fig. 30 C, D). Second joint with 3 setae, 1 thick and long ventral seta and 1 lateral and 1 dorsal short normal type setae. Sensory seta of fifth joint evenly tapered from base to tip (without knee in middle) and with 4 terminal filaments (Fig. 30 D). Second antenna (Fig. 30 E, F). Endopodite: first joint with 3 or 4 proximal and 1 distal setae; second joint with 2 muscle bands, one extends from first joint to posterior margin of third joint and another from middle of ventral margin of second joint to posterior margin of third joint (Fig. 30 E); third joint with 4 terminal ridges (on both limbs); proximal seta about 4 / 5 length of this joint. Exopodite: distal margin of first joint bare; seta of second joint with 13 ventral spines (Kornicker 1971: 24 spines); ninth joint with 4 long and 2 short setae. Mandible (Fig. 30 G – J). Coxale endite bifurcate above middle of its length (Fig. 30 G, J) (Kornicker 1971: bifurcate from base of endite). Basale: dorsal margin with 3 setae, 1 near middle and 2 subterminal; medial side with 6 setae, 3 pectinate and 3 normal type; lateral surface 4 setae parallel to ventral margin; ventral margin with 2 distal setae. Exopodite about 1 / 2 length of first endopodial joint or somewhat shorter. Endopodite: first joint with 4 ventral setae; dorsal margin of second joint with 2 setae in proximal group, 6 setae in distal group and 1 seta between these groups; ventral margin with 2 setae in subterminal and 3 setae in terminal group. Sixth limb. Endite I broken, endite II with 3 terminal and 1 medial setae, endite III with 8 terminal and 1 medial setae, endite IV with 6 or 7 terminal and 1 medial setae, end joint with 13 – 14 setae; 3 setae present in place of epipodial appendage. Seventh limb (Fig. 28 J, K). Each limb with 13 setae (in literature: 12 – 15 setae), 4 distal (3 + 1) and 9 proximal (4 + 5) setae (in literature: 2 + 3 or 3 + 3 in distal group and 3 + 4 or 3 + 7 in proximal group). Terminal comb with 10 alate teeth (Kornicker 1971: 13 teeth) and 2 pegs on opposite comb. Caudal furca (Fig. 30 K). Limb with 8 + 9 claws (in literature: 9 + 9 claws). Claws 1 – 4 relatively short. Copulatory appendage (Fig. 30 K). Organ very small, about ¼ length of lamella of furca (shorter than that in specimen described by Kornicker 1971). Bellonci organ (Fig. 30 B, C). Elongated, somewhat longer than first joint of first antenna, and with rounded tip. Supplementary description of A- 1 male. Carapace. Length 1.72 mm. First antenna. Second joint with 3 setae, 1 dorsal, 1 lateral and 1 ventral. Second antenna (Fig. 28 I). Endopodite: first joint with 4 proximal and 1 distal setae; second joint with 1 long spinous and 2 short bare ventral setae; third joint with 1 midlength dorsal and 2 short terminal setae. Mandible. Basale: dorsal margin with 3 setae, 1 near middle and 2 subterminal; lateral surface with 4 setae parallel to ventral margin; ventral margin with 3 distal setae. Endopodite: first joint with 4 ventral setae; dorsal margin of second joint with 2 setae in proximal group, 6 setae in distal group and 1 seta between these groups; ventral margin with 2 setae in subterminal and 3 setae in terminal group. Sixth limb. Endite I broken, endite II with 3 terminal and 1 medial setae, endite III with 8 terminal and 1 medial setae, endite IV with 7 terminal and 1 medial setae, end joint with 14 setae; 2 setae present in place of epipodial appendage. Seventh limb. Each limb with 15 setae, 5 (3 + 2) in distal group and 10 (5 + 5) in proximal group; each seta with 2 – 5 bells. Terminal comb with 12 teeth; 2 pegs present on opposite comb. Caudal furca (Fig. 28 L). Limb with 9 + 9 claws. Claws 1 – 4 relatively stout and short. Medial eye (Fig. 28 H). Large, smooth. Bellonci organ (Fig. 28 H). Elongate, 2 - jointed with pointed tip. Upper lip (Fig. 28 H). Ventrally hirsute, terminally with several glandular processes. Anterior process on body (Fig. 28 H). Developed, rounded.	en	Chavtur, Vladimir G., Keyser, Dietmar (2016): Benthic myodocopid Ostracoda (Philomedidae) from the Southern Ocean. Zootaxa 4141 (1): 1-70, DOI: 10.11646/zootaxa.4141.1.1
18659911FF9DC91EFF08B2A2FD40F87E.taxon	distribution	Distribution and ecology. Antarctic sublitoral species. It was collected in the Scotia subregion of the Antarctic (Daday 1908; Kornicker 1971, 1975; Hartmann 1989), Prydz Bay and near the Russian Polar station “ Molodezhnaya ” (present study) between 63 ° and 69 ° S (Fig. 23) at the depths of 4.5 to 1135 m, on hard and soft substrates: rock, stone, gravel, sand and muddy sand.	en	Chavtur, Vladimir G., Keyser, Dietmar (2016): Benthic myodocopid Ostracoda (Philomedidae) from the Southern Ocean. Zootaxa 4141 (1): 1-70, DOI: 10.11646/zootaxa.4141.1.1
18659911FF80C905FF08B497FBF3FAF7.taxon	description	1907 Philomedes orbicularis Brady: 4, pl. 1: Figs. 1 – 3, 6 – 15.	en	Chavtur, Vladimir G., Keyser, Dietmar (2016): Benthic myodocopid Ostracoda (Philomedidae) from the Southern Ocean. Zootaxa 4141 (1): 1-70, DOI: 10.11646/zootaxa.4141.1.1
18659911FF80C905FF08B497FBF3FAF7.taxon	materials_examined	Studied material (coordinates, depth and sediment see Appendix). RV “ Polarstern ”, ANT XV / 3, station 148: ZMH-K- 42268 — adult female (2.65 mm). 52 th Russian Antarctic Expedition, station 12, sample 60: MIMB 18309 — immature female (2.27 mm) and MIMB 18310 — immature male (2.32 mm). Station 12, sample 64: MIMB 18311 — immature male (2.25 mm). Station 12, sample 65: MIMB 18 308 — adult female (2.80 mm). Additional material. See Appendix.	en	Chavtur, Vladimir G., Keyser, Dietmar (2016): Benthic myodocopid Ostracoda (Philomedidae) from the Southern Ocean. Zootaxa 4141 (1): 1-70, DOI: 10.11646/zootaxa.4141.1.1
18659911FF80C905FF08B497FBF3FAF7.taxon	diagnosis	Diagnosis of female (Kornicker 1975, with additional remarks). Carapace: oval in lateral outline with minute caudal process often not visible in lateral view, surface with abundant short setules, length 2.27 – 2.80 mm. First antenna: 2 nd joint with 3 setae, 1 ventral, 1 lateral and 1 dorsal.	en	Chavtur, Vladimir G., Keyser, Dietmar (2016): Benthic myodocopid Ostracoda (Philomedidae) from the Southern Ocean. Zootaxa 4141 (1): 1-70, DOI: 10.11646/zootaxa.4141.1.1
18659911FF80C905FF08B497FBF3FAF7.taxon	description	Second antenna: 1 st joint of endopodite with 5 setae, 4 proximal and 1 distal; 2 nd joint with 1 long and 1 short ventral setae and 1 long terminal seta. Mandible: dorsal margin of basale with 4 – 5 setae, 2 – 3 near middle and 2 subterminal. Sixth limb: epipodite with 3 – 4 setae. Seventh limb: each limb with 32 – 43 setae, 2 pegs present on opposite terminal comb. Caudal furca: each lamella with 11 – 13 claws, main claws short, stout, often with rounded tips. Bellonci organ: 2 - jointed, with pointed tip. Lateral eye: minute, with 2 – 3 ommatidia or without well-defined ommatidia. Anterior process (above upper lip): developed, slightly curved and with rounded tip.	en	Chavtur, Vladimir G., Keyser, Dietmar (2016): Benthic myodocopid Ostracoda (Philomedidae) from the Southern Ocean. Zootaxa 4141 (1): 1-70, DOI: 10.11646/zootaxa.4141.1.1
18659911FF80C905FF08B497FBF3FAF7.taxon	diagnosis	Diagnosis of male. Carapace: length 2.45 – 2.71 mm. First antenna: 2 nd joint with 3 setae, 1 ventral, 1 lateral and 1 dorsal.	en	Chavtur, Vladimir G., Keyser, Dietmar (2016): Benthic myodocopid Ostracoda (Philomedidae) from the Southern Ocean. Zootaxa 4141 (1): 1-70, DOI: 10.11646/zootaxa.4141.1.1
18659911FF80C905FF08B497FBF3FAF7.taxon	description	Second antenna: 1 st joint of endopodite with 5 setae, 4 proximal and 1 distal; proximal seta of 3 rd joint thin, about 1 / 3 (or shorter) of its length. Mandible: dorsal margin of basale with 4 setae, 2 near middle and 2 subterminal; coxale endite present. Sixth limb: epipodite with 3 setae. Seventh limb: each limb with 29 – 31 setae; 3 pegs present on opposite terminal comb. Caudal furca: each lamella with 9 or 10 claws. Bellonci organ: 1 - jointed, with rounded tip. Anterior process (above upper lip): pointed projection present. Supplementary description of adult female. Carapace (Fig. 32 A – E). Length 2.27 – 2.80 mm (in literature: 2.34 – 2.65 mm). Infold on rostrum with 19 – 24 setae forming L-shaped row. Antero-ventral inside with 10 – 12 short setae and 10 striations (Kornicker 1975: 12 – 15 and 8 – 9, respectively). Posterior infold with middle row of 3 spinelike setae (Fig. 32 C, D). Surface of carapace with abundant short spines and rare setae (Fig. 32 E). First antenna (Figs. 32 F, H; 33 A, B). Second joint with 3 spinous seta, 1 dorsal and 1 lateral midlong setae and 1 long ventral seta. Second antenna (Fig. 32 I – K). Endopodite: first joint with 5 setae, 4 proximal and 1 distal; subterminal seta of second joint with proximal knee (Fig. 32 J) or normal type, ventral margin of this joint with 1 long and 1 midlength spinous setae. Mandible (Fig. 33 C – E). Basale: dorsal margin with 4 – 5 setae, 2 – 3 near middle and 2 subterminal; medial side with 6 setae, 3 pectinate and 3 usual type; lateral surface with 4 setae forming a row parallel to ventral margin; ventral margin with 2 – 3 distal setae. Endopodite: first joint with 4 – 5 ventral setae; dorsal margin of second joint with 3 – 4 setae in proximal group, 5 – 6 setae in distal group and 1 seta between these groups; ventral margin of second joint with 3 setae in subterminal group and 3 in terminal group. Fifth limb. Epipodite with about 57 setae. Fourth and fifth joints fused, and in total with 6 setae. Sixth limb. Endite I with 2 terminal and 1 medial setae, endite II with 3 terminal and 1 medial setae (with 3! medial setae on one limb in ZMH-K- 42268 ANT XV / 3 PS 10.02.98), endite III with 8 – 9 terminal and 1 medial setae, endite IV with 8 terminal and 1 medial setae, and end joint with 24 – 29 setae; 3 or 4 setae present in place of epipodial appendage. Seventh limb (Fig. 33 F – H). Each limb with 36 – 42 setae (32 – 43 in literature), 11 or 12 (4 + 7, 4 + 8 and 5 + 7) distal setae and 25 – 30 (11 + 14, 12 + 18 and 12 + 15) proximal setae; each seta with 3 – 7 bells. Terminal comb with teeth; 5 – 6 pegs (7 – 12 in literature) present on opposite comb. Caudal furca (Fig. 33 I). Limb with 12 + 12 or 11 + 13 claws. Bellonci organ (Fig. 32 F, G). Organ elongate, 2 - jointed, longer than first joint of first antenna and with pointed tip. Medial eye (Fig. 32 F, G). Smooth. Lateral eye (Fig. 32 F). Minute. Upper lip (Fig. 32 F, G). Ventrally hirsute, terminally with several glandular processes. Anterior process on body (Fig. 32 F, G). Developed, elongate, curved or straight. Supplementary description of A- 1 male. Carapace (Fig. 33 K, L). Length 2.25 – 2.32 mm. Second antenna (Fig. 33 M). Endopodite: first joint with 3 proximal and 1 distal setae; second joint with 1 long spinous seta and 1 bare and 1 spinous relatively short setae on ventral margin; third joint with 1 midlength dorsal and 2 short terminal setae. Mandible. Basale: dorsal margin with 4 setae, 2 near middle and 2 subterminal; medial side with 3 setae, 1 pectinate and 2 normal type; lateral surface with 3 setae; ventral margin with 2 distal setae. Endopodite: first joint with 4 ventral setae; dorsal margin of second joint with 3 setae in proximal group, 5 setae in distal group and 1 seta between these groups. Fifth limb. Fourth plus fifth joints with 6 setae. Sixth limb. Endite I with 2 terminal and 1 medial setae, endite II with 3 terminal and 1 medial setae, endite III with 7 terminal and 1 medial setae, endite IV with 7 – 8 terminal and 1 medial setae, end joint with 17 – 18 setae; 1 or 2 setae present in place of epipodial appendage. Seventh limb. Each limb with 26 setae, 6 (3 + 3) distal and 20 (6 + 14) proximal; each seta with 2 – 4 bells. Terminal comb with 6 teeth; 1 peg present on opposite comb. Caudal furca. Limb with 3 + 3 claws. Supplementary description of A- 1 female. Carapace. Length 2.27 mm. Mandible. Basale: dorsal margin with 4 setae, 2 near middle and 2 subterminal, medial side with 6 setae, 3 pectinate and 3 normal type; lateral surface with 3 setae; ventral margin with 2 distal setae. Endopodite: first joint with 4 – 5 ventral setae; second joint similar to that of adult female. Fifth limb. Fourth plus fifth joints with 5 setae in total. Sixth limb. Endite I with 2 terminal and 1 medial setae, endite II with 3 terminal and 1 medial setae; endite III with 9 terminal and 1 medial setae; endite IV with 7 or 9 terminal and 1 medial setae; 1 or 2 setae present in place of epipodial appendage. Seventh limb. Each limb with 34 – 40 setae, each seta with 1 – 4 bells. Terminal comb with 9 teeth; 2 pegs present on opposite comb.	en	Chavtur, Vladimir G., Keyser, Dietmar (2016): Benthic myodocopid Ostracoda (Philomedidae) from the Southern Ocean. Zootaxa 4141 (1): 1-70, DOI: 10.11646/zootaxa.4141.1.1
18659911FF80C905FF08B497FBF3FAF7.taxon	distribution	Distribution and ecology. Circumantarctic sublitoral-bathyal species. It has been collected in the Scotia subregion of the Southern Ocean (Kornicker 1971, 1975; Hartmann 1986, 1987 a, 1988, 1990, 1991), vicinity of the Ross Sea (Kornicker 1975), Prydz Bay and near of the Russian Polar station “ Molodezhnaya ” (present study) between 53 ° and 77 ° S (Fig. 31), at the depths of 13 to 1000 m, in temperature range of 1.28 ° to - 1.62 ° C, on hard and soft substrates: rock, stone, muddy sand, sandy mud, mud and also glass sponges.	en	Chavtur, Vladimir G., Keyser, Dietmar (2016): Benthic myodocopid Ostracoda (Philomedidae) from the Southern Ocean. Zootaxa 4141 (1): 1-70, DOI: 10.11646/zootaxa.4141.1.1
18659911FF84C909FF08B184FDA3FDFA.taxon	materials_examined	Studied material (coordinates, depth and sediment see Appendix). 52 th Russian Antarctic Expedition Prydz Bay, station 7, sample 36: MIMB 18314 — adult female (2.37 mm). Station 8, sample 37: MIMB 18316 — immature male (1.87 mm). Station 10, sample 54: MIMB 18 312 — adult female (2.35 mm). Station 10, sample 55: MIMB 18 313 — adult female (2.50 mm). Station 12, sample 65: MIMB 18 315 — adult female (2.80 mm). Additional material. See Appendix.	en	Chavtur, Vladimir G., Keyser, Dietmar (2016): Benthic myodocopid Ostracoda (Philomedidae) from the Southern Ocean. Zootaxa 4141 (1): 1-70, DOI: 10.11646/zootaxa.4141.1.1
18659911FF84C909FF08B184FDA3FDFA.taxon	diagnosis	Diagnosis of female (Kornicker 1975, with additional remarks). Carapace: oval in lateral outline with minute caudal process, surface reticulate, length 1.90 – 2.80 mm. First antenna: 2 nd joint with 3 setae, 1 ventral, 1 lateral and 1 dorsal.	en	Chavtur, Vladimir G., Keyser, Dietmar (2016): Benthic myodocopid Ostracoda (Philomedidae) from the Southern Ocean. Zootaxa 4141 (1): 1-70, DOI: 10.11646/zootaxa.4141.1.1
18659911FF84C909FF08B184FDA3FDFA.taxon	description	Second antenna: 1 st joint of endopodite with 6 setae, 5 proximal and 1 distal; 2 nd joint with 1 long and 0 (usually) or 1 (rarely) short ventral seta and 1 long terminal seta. Mandible: dorsal margin of basale with 3 setae, 1 near middle and 2 subterminal. Sixth limb: epipodite with 3 – 4 setae. Seventh limb: each limb with 15 – 26 setae, 2 – 5 pegs present on opposite terminal comb. Caudal furca: each lamella with 9 – 13 claws. Bellonci organ: 2 - jointed, with pointed tip. Lateral eye: minute, with 2 ommatidia. Anterior process (above upper lip): developed, large and triangular. Male unknown. Supplementary description of adult female. Carapace (Figs. 34 A – E). Length 1.90 – 2.30 mm (in literature: 1.90 – 2.17 mm). Infold on rostrum with 10 – 14 setae forming a row. Antero-ventral inside with 10 – 16 setae and 9 – 11 striations. Posterior infold with 5 – 6 short setae. Surface reticulate and with very rare setae. First antenna (Fig. 34 I, J, M). Second joint with 3 spinous setae, 1 dorsal, 1 midlength seta and 1 long ventral seta. Second antenna (Fig. 34 N, O). First joint with 5 or (usually) 6 setae, 4 or 5 proximal and 1 distal; second joint elongate (Skogsberg 1920: short and thick (!) as in P. globosa) and with 1 long spinous ventral seta and 1 midlength subterminal bare seta. Mandible (Fig. 35 F – K). Basale: dorsal margin with 3 setae, 1 near middle and 2 subterminal; medial side with 6 setae, 3 pectinate and 3 normal type; lateral surface with 4 (rarely) or 5 setae forming a row parallel to ventral margin; ventral margin with 4 or 5 distal setae. Exopodite somewhat shorter than first endopodial joint (Fig. 35 G, I). Endopodite: first joint with 4 ventral setae; dorsal margin of second joint with 2 – 4 setae in proximal group and 5 or (usually) 6 setae in distal group, ventral margin with 1 – 3 setae in subterminal group and 2 – 3 in terminal group. Right limb in MIMB 18313 abnormal (Fig. 35 F, H): coxal endite only with 1 seta and without tooth; lateral surface and ventral margin of basale total with 6 setae, of which 1 stout and pectinate; exopodite short and without setae; endopodite: first joint only with 3 ventral setae, dorsal margin of second joint without setae and ventral margin only with 1 terminal seta; third joint only with 1 peg-like short seta. Sixth limb. Endite I with 3 terminal and 1 medial setae, endite II with 3 (usually) or 2 terminal and 1 medial setae, endite III with 8 (usually) or 7 terminal and 1 medial setae, endite IV with 6 – 9 terminal and 1 medial setae, end joint with 17 – 26 setae; 3 – 4 setae present in place of epipodial appendage. Seventh limb (Fig. 35 L – N). Each limb with 17 – 20 (in literature: 23 – 26) setae, 4 – 5 setae (2 + 2 or 2 + 3) in distal group and 12 – 15 setae (4 + 8, 5 + 7, 5 + 8, 6 + 9 and 7 + 8) in proximal group; each seta with 3 – 6 bells and some wreaths of short, stiff setules, placed obliquely. Terminal comb with 15 – 18 alate teeth; 2 – 5 long pegs present on opposite comb. Caudal furca (Fig. 30 P). Limb with 10 + 11, 11 + 11, 11 + 12 or 11 + 13 claws. Bellonci organ (Fig. 34 F – J). Organ elongate, 1 - or 2 - jointed and longer than first joint of first antenna. Its tip pointed or with 1 – 2 minute spines. Medial eye (Fig. 34 I, J). Smooth. Lateral eye. Small with 2 ommatidia. Upper lip (Fig. 34 I – L). Lip ventrally hirsute, terminally blunt, without or with several glandular processes. Anterior process on body (Figs. 34 I, J; 35 B – D). Large, triangular and with short or long terminal process. Supplementary description of A- 1 male. Carapace. Length 1.87 mm. Second antenna (Fig. 34 E). Same as that illustrated by Skogsberg (1920: 415, Fig. LXXV- 4). Our specimen differs in having only 4 proximal setae on first endopodial joint. Mandible. Similar to that of adult female. Sixth limb. Endite I with 3 terminal and 1 medial setae, endite II with 3 or 4 terminal and 1 medial setae, endite III with 8 terminal and 1 medial setae, endite IV with 8 terminal and 1 medial setae, end joint with 20 setae; 2 or 3 present in place of epipodial appendage. Seventh limb. Each limb with 15 setae, 4 – 5 (2 + 2 or 2 + 3) distal and 10 – 11 (4 + 6 or 5 + 6) proximal; each seta with 2 – 4 bells. Terminal comb with 10 alate teeth; 2 or 3 pegs present on opposite comb. Caudal furca. Limb with 10 + 10 claws. Medial eye (Fig. 35 A). Smooth. Lateral eye (Fig. 35 O). Eye developed, with about 17 ommatidia. Bellonci organ (Fig. 35 A). Organ elongate, 1 - jointed, terminally with minute process and some spines. Upper lip (Fig. 35 A). As in adult female. Anterior process on body (Fig. 35 A). Large, triangular.	en	Chavtur, Vladimir G., Keyser, Dietmar (2016): Benthic myodocopid Ostracoda (Philomedidae) from the Southern Ocean. Zootaxa 4141 (1): 1-70, DOI: 10.11646/zootaxa.4141.1.1
18659911FF84C909FF08B184FDA3FDFA.taxon	distribution	Distribution and ecology. Subantarctic-antarctic sublitoral species. It was collected in South Georgia (Skogsberg 1920; Kornicker 1975), Weddell Sea and Prydz Bay (present study) between 54 ° and 71 ° S (Fig. 31) districts of the Antarctic at depths of 7 to 237 m, on hard and soft substrates: rock, stone, gravel, muddy sand and clay bottom with scattered algae.	en	Chavtur, Vladimir G., Keyser, Dietmar (2016): Benthic myodocopid Ostracoda (Philomedidae) from the Southern Ocean. Zootaxa 4141 (1): 1-70, DOI: 10.11646/zootaxa.4141.1.1
18659911FF88C970FF08B685FECBFBD7.taxon	materials_examined	Studied material (coordinates, depth and sediment see Appendix). RV “ Polarstern ” PS 61 ANT XIX / 3, station 46 - 7: ZMH-K- 42271 — immature female (2.12 mm) and ZMH-K- 42272 — immature male (2.05 mm); ZMH-K- 42273 — immature male (2.22 mm). ANT XIX / 4, station 141 - 9: ZMH-K- 42270 — adult male (3.47 mm). Station 143 - 1: ZMH-K- 42269 — adult female (2.46 mm).	en	Chavtur, Vladimir G., Keyser, Dietmar (2016): Benthic myodocopid Ostracoda (Philomedidae) from the Southern Ocean. Zootaxa 4141 (1): 1-70, DOI: 10.11646/zootaxa.4141.1.1
18659911FF88C970FF08B685FECBFBD7.taxon	diagnosis	Diagnosis of female (Kornicker 1975, with additional remarks). Carapace: with truncate posterior, length 1.92 – 2.78 mm. First antenna: 2 nd joint with 2 setae, 1 lateral and 1 dorsal.	en	Chavtur, Vladimir G., Keyser, Dietmar (2016): Benthic myodocopid Ostracoda (Philomedidae) from the Southern Ocean. Zootaxa 4141 (1): 1-70, DOI: 10.11646/zootaxa.4141.1.1
18659911FF88C970FF08B685FECBFBD7.taxon	description	Second antenna: 1 st joint of endopodite with 6 setae, 5 proximal and 1 distal; 2 nd joint with 1 long and 2 – 3 short ventral setae and 1 long terminal seta. Mandible: dorsal margin of basale with 5 setae, 3 near middle and 2 subterminal. Sixth limb: epipodite with 3 setae. Seventh limb: each limb with 23 – 33 setae, 5 distal and 21 – 28 proximal; 2 – 3 pegs present on opposite terminal comb. Caudal furca: each lamella with 10 claws. Bellonci organ: 1 - jointed, with rounded tip. Lateral eye: small, with 2 – 3 ommatidia or only with pigment. Anterior process (above upper lip): developed, large, horn-like and curved.	en	Chavtur, Vladimir G., Keyser, Dietmar (2016): Benthic myodocopid Ostracoda (Philomedidae) from the Southern Ocean. Zootaxa 4141 (1): 1-70, DOI: 10.11646/zootaxa.4141.1.1
18659911FF88C970FF08B685FECBFBD7.taxon	diagnosis	Diagnosis of male. Carapace: length 3.47 mm. First antenna: 2 nd joint with 2 setae, 1 lateral and 1 dorsal.	en	Chavtur, Vladimir G., Keyser, Dietmar (2016): Benthic myodocopid Ostracoda (Philomedidae) from the Southern Ocean. Zootaxa 4141 (1): 1-70, DOI: 10.11646/zootaxa.4141.1.1
18659911FF88C970FF08B685FECBFBD7.taxon	description	Second antenna: 1 st joint of endopodite with 6 seta, 5 proximal and 1 distal; proximal seta of 3 rd joint thin about 1 / 3 (or shorter) of the joint’s length. Mandible: dorsal margin of basale with 5 setae, 3 near middle and 2 subterminal; coxale endite absent. Sixth limb: epipodite with 3 setae. Seventh limb: each limb with 25 – 26 seta, 5 distal and 20 – 21 proximal; 2 or 3 pegs present on opposite terminal comb. Caudal furca: each lamella with 8 claws. Bellonci organ: 1 - jointed, with rounded tip. Anterior process (above upper lip): developed, large, with terminal crank-like process. Supplementary description of adult female. Carapace (36 A). Length 2.40 mm. Carapace with truncate posterior. Infold on rostrum with 12 – 15 setae. Antero-ventral inside with 5 – 9 setae (16 – 18 in Kornicker 1975) and 15 striations. Posterior infold with 5 setae. Carapace with distinct small reticulate structure (Kornicker 1975: 256 — “ faint reticulate structure visible in transmitted light ”). First antenna (Fig. 36 D). Second joint with 2 setae, 1 dorsal and 1 lateral. Second antenna (Fig. 36 I, J). First joint of exopodite with short disto-medial spine. Second endopodial joint with 5 setae (4 in Kornicker 1975), 1 long spinous and 3 short bare ventral setae and 1 reflexed terminal seta. Mandible (Fig. 36 K, L). Basale: dorsal margin with 5 setae; medial side with 6 setae, 3 pectinate and 3 usual type; lateral surface with 5 setae forming a row parallel to ventral margin; ventral margin with 3 distal setae. Endopodite: first joint with 4 ventral setae; dorsal margin of second joint with 2 setae in distal group, 5 setae (6 in Kornicker 1975) in proximal group and 1 seta between these groups, and ventral margin with 2 or 3 setae in distal group and 3 setae in subterminal group. Sixth limb. Endite I with 2 terminal and 1 medial setae, endite II with 3 terminal and 1 medial setae, endite III with 7 or 8 terminal and 1 medial setae, endite IV with 8 terminal and 1 medial setae, end joint with 28; 3 setae present in place of epipodial appendage. Seventh limb. Each limb with 23 – 25 setae, 5 (3 + 2) distal setae and 18 – 20 (6 + 12 or 9 + 11) proximal setae; each seta with 3 – 7 bells. Terminal comb with 10 – 11 alate teeth; 2 pegs present in place of epipodial appendage. Caudal process. Limb with 10 + 10 claws. Bellonci organ (Fig. 36 D). Elongate, 1 - jointed, with rounded tip and somewhat shorter than first joint of first antenna. Medial eye (Fig. 36 D, F). Large, pigmented. Lateral eye (Fig. 36 D). Eye small, slightly pigmented, without ommatidia. Upper lip (Fig. 36 D, G, H). Ventrally hirsute, terminally blunt, with several glandular processes. Anterior process on body (Fig. 36 D). Process large, horn-like. Description of adult male. Carapace (Figs. 36 B, C; 37 A – E). Length 3.47 mm. Carapace with truncate posterior and oval caudal process. Infold on rostrum with 24 setae forming L-shaped row, and 1 minute seta present on infold posterior to incisure. Anteroventral inside with 6 – 8 setae. Posterior infold with 5 or 7 minute spines (Figs. 37 C, D). Carapace with faint small reticulate structure visible in transmitted light (Fig. 36 C). First antenna (Figs. 36 E; 37 G; 38 B, C). Second joint with 1 dorsal and 1 lateral setae. Sensory setae of fifth joint with knee near middle and 5 terminal filaments (Fig. 38 B). Second antenna (Fig. 38 D – G). Exopodite: first joint with long and short, thin and thick distal spines on lateral surface and sclerotized rounded process on terminal margin (Fig. 38 C); ninth joint with 5 setae, 3 long and 2 short (Fig. 38 D). Endopodite: first joint with 5 proximal and 1 distal setae. Second joint with 3 short setae, 2 stout and 1 normal type; 2 muscles bands, both extend from middle of this joint to proximal margin of third joint. Third joint with relatively short proximal seta (about 1 / 3 or somewhat shorter than length of joint), 2 minute subterminal setae and about 8 terminal ridges; lateral surface of distal part wrinkled (Fig. 38 E, G). Mandible (Fig. 39 A – D). Coxale endite reduced (Fig. 39 C, D). Basale: dorsal margin with 5 setae; medial side with 6 setae; lateral surface with 4 setae forming a row parallel to ventral margin; ventral margin with 2 or 3 distal setae. Exopodite: about 2 / 5 length of first endopodial joint. Endopodite: first joint with 5 ventral setae; dorsal margin with 2 setae in distal group, 6 setae in proximal group and 1 seta between these groups, ventral margin with 3 setae in subterminal and 3 in terminal groups. Fifth limb (Fig. 39 E). First and second joints on exopodite each with 1 elongate evenly tapering hirsute flat tooth and 3 setae; third joint with 3 + 2 setae; fourth plus fifth joints in total with 6 setae. Endite I with 4 setae, endite II with 8 setae and endite III with 10 setae. Sixth limb. Endite I with 2 terminal and 1 medial setae, endite II with 3 terminal and 1 medial setae, endite III with 7 terminal and 1 medial setae, endite IV with 7 terminal and 1 medial setae, end joint with 18 setae; 3 setae present in place of epipodial appendage. Seventh limb (Fig. 39 F – H). Each limb with 25 – 26 setae, 5 (2 + 3) distal setae and 20 – 21 (10 + 10 or 10 + 11) proximal setae; each seta with 4 – 8 bells. Terminal comb with 10 alate teeth; 2 or 3 pegs present on opposite comb. Caudal furca (Fig. 40 A, B). Limb with 8 + 8 claws. Each lamella elongate and slim. Copulatory appendage (Fig. 40 A – C). Limb longer than half length of furcal lamella. Each lobe with some setae. Bellonci organ (Figs. 36 E; 38 A). Elongate, 1 - jointed, with rounded tip and shorter than first joint of first antenna. Medial eye (Figs. 36 E; 38 A). Eye large and pigmented. Lateral eye (Fig. 38 H). Eye large and pigmented. Upper lip (Figs. 36 E; 37 F). Terminally rounded with some glandular processes. Anterior process on body (Figs. 36 E; 37 F). Process relatively large, rounded and terminally with long curved process. Supplementary description of A- 2 male. Carapace (Fig. 40 E, F). Length 2.05 – 2.22 mm. Infold in rostrum with 14 setae forming L-shaped row. Antero-ventral inside with 5 setae and 15 striations. Posterior infold with 3 minute spines. Carapace smooth, without visible ornamentation. Height of posterior half of carapace slightly more than that of anterior half. Second antenna (Fig. 40 G, H). Endopodite: first joint with 3 proximal and 1 distal setae (right endopodite aberrated: see Fig. 40 G); second joint with 1 long spinous and 1 short bare ventral setae; third joint with 1 midlength dorsal and 1 short terminal setae. Mandible. Basale: dorsal with 4 setae, 2 near middle and 2 subterminal, medial side with 3 pectinate and 3 regular setae, lateral surface with 4 setae, ventral margin with 2 distal setae. Endopodite: first joint with 4 ventral setae; dorsal margin of second joint with 2 setae in distal group, 6 setae in proximal group and 1 seta between these group. Seventh limb. Limb with 27 setae, 5 (3 + 2) distal setae and 22 (11 + 11) proximal setae. 2 pegs present on opposite terminal comb. Caudal furca. Limb with 8 + 8 claws. Medial eye, upper lip anterior and process on body. Similar to that of adult female.	en	Chavtur, Vladimir G., Keyser, Dietmar (2016): Benthic myodocopid Ostracoda (Philomedidae) from the Southern Ocean. Zootaxa 4141 (1): 1-70, DOI: 10.11646/zootaxa.4141.1.1
18659911FF88C970FF08B685FECBFBD7.taxon	discussion	Remarks. Our specimen of an adult female differs from females described by Kornicker (1975) in the following: carapace with distinct reticulate structure, less setae on antero-ventral inside of carapace and presence of 4 setae on ventral margin of second endopodial joint of second antenna.	en	Chavtur, Vladimir G., Keyser, Dietmar (2016): Benthic myodocopid Ostracoda (Philomedidae) from the Southern Ocean. Zootaxa 4141 (1): 1-70, DOI: 10.11646/zootaxa.4141.1.1
18659911FF88C970FF08B685FECBFBD7.taxon	distribution	Distribution and ecology. Subantarctic-antarctic sublitoral-abyssal species. It has been collected in the Atlantic Sector of the Southern Ocean between 43 ° and 62 ° S (Fig. 31) at depths of 146 to 3382 m (Kornicker 1975; Hartmann 1990; present study) on soft substrates: volcanic sand, medium-to-coarse sand and small pebbles (Kornicker 1975).	en	Chavtur, Vladimir G., Keyser, Dietmar (2016): Benthic myodocopid Ostracoda (Philomedidae) from the Southern Ocean. Zootaxa 4141 (1): 1-70, DOI: 10.11646/zootaxa.4141.1.1
18659911FFF1C970FF08B064FD01F99F.taxon	materials_examined	Material studied (coordinates, depth and bottom see Appendix). 13 th Soviet (Russian) Antarctic Expedition station 3, samples 2 and 3: 2 juveniles. Station 30, sample 68: juvenile. 16 th Soviet (Russian) Antarctic Expedition Davis Sea, Haswell Island: juvenile.	en	Chavtur, Vladimir G., Keyser, Dietmar (2016): Benthic myodocopid Ostracoda (Philomedidae) from the Southern Ocean. Zootaxa 4141 (1): 1-70, DOI: 10.11646/zootaxa.4141.1.1
18659911FFF1C970FF08B064FD01F99F.taxon	description	52 th Russian Antarctic Expedition, Prydz Bay, station 12, sample 64: juvenile. Bathymetrical distribution. The Antarctic shelf is inhabited by 9 philomedid species: P. c h a rc o t i, P. orbicularis, P. assimilis, S. gallardoi (all from 10 – 15 m and deeper), P. rotunda, A. dithrix, S. appelloefi (all from 60 – 70 m), S. tuberculata sp. nov. and P. heptathrix (both from 200 – 250 m) (Fig. 41). The lower depth limit for P. charcoti and A. dithrix is 100 – 150 m and 200 – 250 m for P. rotunda and S. appelloefi. The lower part of the shelf is inhabited by P. orbicularis, P. assimilis, P. heptathrix, S. gallerdoi and S. tuberculata. In the bathyal zone are found P. assimilis, P. tetrathrix, S. gallardoi and S. tuberculata, while the only philomedid species currently known from the abyssal zone are P. tetrathrix and I. walleni.	en	Chavtur, Vladimir G., Keyser, Dietmar (2016): Benthic myodocopid Ostracoda (Philomedidae) from the Southern Ocean. Zootaxa 4141 (1): 1-70, DOI: 10.11646/zootaxa.4141.1.1
