taxonID	type	description	language	source
DB0B5C67FF98FFE6CBA1FD0419188B7A.taxon	materials_examined	Type locality. Gosapo Beach on the Byeonsan peninsula, on the west (Yellow Sea) coast of Korea. Coordinates: 35 ° 39 ' 51 '' N, 126 ° 30 ' 35 ' ′ E (Figure 1). Sediment type: sand. Salinity 33 psu. Material examined. Holotype, 1 ♀ (MABIK CR 00218007) dissected on 7 slides. Paratypes: 1 ♂ (MABIK CR 00218008) dissected on 3 slides, 5 ♀♀ (MABIK CR 00218009) and 2 ♂♂ (MABIK CR 00218010) in 70 % alcohol. October 3, 2010.	en	Back, Jinwook, Lee, Wonchoel (2014): Two new species of the genus Wellsopsyllus (Copepoda; Harpacticoida; Paramesochridae) from the Yellow Sea. Zootaxa 3895 (3): 346-366, DOI: 10.11646/zootaxa.3895.3.2
DB0B5C67FF98FFE6CBA1FD0419188B7A.taxon	description	Description of female. Total body (Figure 2 A – B) length, 462 µm (n = 6, mean = 460 µm), measured from anterior tip of rostrum of cephalic shield to posterior margin of caudal rami (Figure 2 A – B )); largest width measured at posterior margin of cephalic shield: 51 µm. Body cylindrical, depressed dorsoventrally; urosome gradually tapering posteriorly (smallest width of last somite: 21 µm) with a weak hyaline frill. Rostrum (Figure 2 A), small, fused to cephalothorax, without sensilla. Cephalothorax (Figure 2 A – B), bellshaped; pleural areas weakly developed and posterolateral angles rounded; posterior margin, smooth, with a distinct hyaline frill. Genital somite and first abdominal somite (Figure 2 A – B), completely fused forming a genital double-somite; genital field located mid-ventrally approximately halfway along the length of the genital double-somite. Copulatory pore (Figure 5 B) located near posterior border of genital field, covered by a small process and enclosed within a depression. P 6 (Figure 5 B) represented by a small process with 1 bare and 1 unipinnate setae. Pseudoperulum, weakly developed (Figure 2 A). CR (Figure 2 D 1 – D 2), juxtaposed, approximately 2.8 times longer than greatest width, posterior inner margin acute, distal margin rounded inwardly, and with a small process near seta V. Each ramus armed with 6 setae: seta I bare; setae II bare; seta III blunt, ornamented with stout spinules; seta IV pinnate; seta V blunt, pinnate; seta VI not observed and probably represented by a small process; seta VII bi-articulate at base and arising sub-distally from inner dorsal surface. A 1 (Figure 2 C), 8 - segmented, short, robust. Segment- 1 longest with a blunt process; segment- 4 with a subcylindrical process with 1 long slender seta fused basally to aesthetasc; segment- 6 with 1 slender bare seta arising from a ventral sub-cylindrical process. Armature formula: 1 - [1 pinnate], 2 - [7 bare + 2 pinnate], 3 - [2 bare + 4 pinnate], 4 - [1 bare + (1 + ae)], 5 - [2 bare], 6 - [2 bare], 7 - [3 bare], 8 - [4 bare + acrothek]; apical acrothek consisting of a well-developed aesthetasc fused basally to 2 slender setae. A 2 (Figure 3 A), 4 - segmented, comprising coxa, basis, 1 - segmented exp, and 2 - segmented free enp; coxa small and bare; basis approximately 1.7 times longer than wide, without any surface ornamentation; proximal endopodal segment with 1 pinnate abexopodal seta; distal endopodal segment ornamented with 2 rows of spinules on surface and armed with 1 lateral bare seta, 2 bare spine-like setae sub-distally, 5 geniculate distal setae, one of which was fused basally to long slender seta; exp 1 - segmented, with 2 bare setae laterally, 1 bare seta at distal corner, and 1 bifid seta apically. FIGURE 2. Wellsopsyllus (Wellsopsyllus) egregius sp. nov., female: (A) Habitus, dorsal; (B) habitus, lateral; (C) antennule; (D) D 1: left caudal rami, dorsal; D 2: seta VII. FIGURE 4. Wellsopsyllus (Wellsopsyllus) egregius sp. nov., female: (A) P 1; (B) P 2; (C) P 3; (D) P 4. FIGURE 6. Wellsopsyllus (Wellsopsyllus) egregius sp. nov.: (A) male habitus, dorsal; (B) male antennule; B 1: segments 1 to 4; B 2: segments 5 to 7; (C) female maxillule. Mandible (Figure 3 B 1 – B 2), coxa with well-developed gnathobase bearing 1 small bare seta at the dorsal corner and 7 major blunt overlapping teeth; palp biramous, comprising basis, 1 - segmented exp and 2 - segmented enp; basis widening distally, without armature; exp with 2 distal bare setae; enp elongated, approximately 3 times as long as exp; enp- 1 with 2 bare sub-distal setae; enp- 2 with 6 basally fused bare setae at apex. Maxillule (Figure 6 C), praecoxal arthrite well developed, with 6 spines, 1 bare seta at distal corner, 1 slender seta on lateral margin, and 2 juxtaposed slender setae on anterior surface; coxa with cylindrical endite bearing 4 bare setae; basis cylindrical; endites fused, with 1 pinnate and 5 bare setae; exp 1 - segmented, small, with 2 bare setae; enp 1 - segmented, elongate, with 1 pinnate and 3 bare setae. Maxilla (Figure 3 C), syncoxa with 3 cylindrical endites; praecoxal and proximal endites with 1 pinnate and 1 bare setae; distal coxal endite with 1 bare and 2 pinnate setae; allobasis with 1 strong claw-like spine, 1 pinnate and 1 bare setae distally, and 1 pinnate seta near base of enp; enp 1 - segmented, with 1 claw-like spine, 3 pinnate setae, and 1 bare seta distally. Maxilliped (Figure 3 D) 4 - segmented, comprising syncoxa, basis, and 2 - segmented enp; syncoxa and basis bare; enp- 1 with 1 stout seta distally; enp- 2 with 2 lateral bare and 2 geniculate setae. P 1 (Figure 4 A), basis with 1 outer and 1 inner bare setae; exp- 1 approximately 1.8 times longer than exp- 2, the former with 1 long pinnate seta near outer distal corner and ornamented with a row of long spinules horizontally in middle of segment; exp- 3 with 4 long pinnate setae distally; enp prehensile; enp- 1 elongate, about 1.2 times longer than exp, bare, inner distal corner forming a small projection; enp- 2 small, with 1 geniculate seta apically and ornamented with a row of spinules around outer distal margin. P 2 – P 3 (Figure 4 B – C), basis with 1 outer bare seta and ornamented with 1 pore and 1 row of spinules in middle. exp 3 - segmented; exp- 1 and 2 with 1 outer spine; exp- 3 with 1 spine and 1 geniculate seta; enp 1 - segmented, small, without ornamentation, represented by a small process. P 4 (Figure 4 D), basis with 1 outer bare seta and ornamented with 1 pore and 1 row of spinules in middle. exp 3 - segmented; exp- 1 and 2 with 1 outer spine at distal corner; exp- 3 with 1 naked outer spine and 1 geniculate seta; enp 1 - segmented, with 1 stout unipinnate apical seta. Benp of P 5 (Figure 5 A) confluent, with 1 naked basal seta, an acute outer process, and one pore; fused endopodal lobes with a small bilobed process in middle; each endopodal lobe with 2 bare setae; exp clearly separated from benp, small, quadrilateral, with 2 bare and 1 pinnate setae. Description of male. Body (Figure 6 A), slightly smaller and more slender than female, body length 385 µm (measured from anterior margin of cephalic shield to posterior margin of caudal rami: n = 3, mean = 381 µm), largest width measured at posterior margin of cephalic shield: 44 µm; general body shape and ornamentation as in female except for separation of genital somite; additional sexual dimorphism in A 1, P 5, and P 6. A 1 (Figure 6 B 1 – B 2), 7 - segmented, subchirocer; armature formula: 1 – [1 pinnate], 2 – [8 bare + 2 pinnate], 3 – [5 bare + 1 pinnate], 4 – [1 bare + 1 pinnate], 5 – [6 bare + 1 modified stout + (1 + ae)], 6 – [4 bare], 7 – [6 bare + acrothek], apical acrothek consisting of small aesthetasc fused basally to 2 bare setae. P 5 (Figure 5 C), benp of P 5 confluent, with 1 bare basal seta, 1 pore, and acute outer process; endopodal lobe flat without armature; exp discrete, with 2 bare and 1 pinnate setae. P 6 (Figure 5 D), pair of P 6 asymmetrical, not confluent; each P 6 with 1 naked seta.	en	Back, Jinwook, Lee, Wonchoel (2014): Two new species of the genus Wellsopsyllus (Copepoda; Harpacticoida; Paramesochridae) from the Yellow Sea. Zootaxa 3895 (3): 346-366, DOI: 10.11646/zootaxa.3895.3.2
DB0B5C67FF98FFE6CBA1FD0419188B7A.taxon	etymology	Etymology. The specific name ‘ egregius’ means ‘ shocking’ in Latin and refers to the unusual shape of the caudal rami.	en	Back, Jinwook, Lee, Wonchoel (2014): Two new species of the genus Wellsopsyllus (Copepoda; Harpacticoida; Paramesochridae) from the Yellow Sea. Zootaxa 3895 (3): 346-366, DOI: 10.11646/zootaxa.3895.3.2
DB0B5C67FF92FFE1CBA1F8821D3E8841.taxon	materials_examined	Type locality. Gosapo Beach on the Byeonsan peninsula, on the west (Yellow Sea) coast of Korea. Coordinates: 35 ° 39 ' 51 '' N, 126 ° 30 ' 35 ' ′ E. Sediment type: sand. Salinity: 33 psu. Material examined. Holotype, 1 ♀ (MABIK CR 00218011) dissected on 5 slides. Paratypes: 1 ♂ (MABIK CR 00218012) dissected on 4 slides, 33 ♀♀ (MABIK CR 00218013), and 3 ♂♂ (MABIK CR 00218014) preserved in 70 % alcohol. October 3, 2010.	en	Back, Jinwook, Lee, Wonchoel (2014): Two new species of the genus Wellsopsyllus (Copepoda; Harpacticoida; Paramesochridae) from the Yellow Sea. Zootaxa 3895 (3): 346-366, DOI: 10.11646/zootaxa.3895.3.2
DB0B5C67FF92FFE1CBA1F8821D3E8841.taxon	description	Description of female. Total body (Figure 7 A – B) length 398 µm (measured from anterior margin of cephalic shield to posterior margin of caudal rami: n = 4, mean = 397 µm); largest width measured at posterior margin of cephalic shield: 75 µm. Body cylindrical, slightly depressed dorsoventrally; urosome gradually tapering posteriorly and with a striped distal hyaline frill. Rostrum (Figure 7 A – B), triangular, small, fused to cephalothorax, without sensilla; cephalothorax, bellshaped; pleural areas weakly developed and posterolateral angles rounded; posterior margin smooth. Genital somite and first abdominal somite completely fused forming genital double-somite; copulatory pore (Figure 10 B) well developed with a small process sub-distally. P 6 (Figure 10 B), represented by a flat plate, each side with 3 bare setae. Penultimate somite (Figure 7 A) with a developed, rounded pseudoperculum. Anal somite cleft deeply dorsally. CR (Figure 7 C): juxtaposed, conical, approximately 3.8 times as long as greatest width, distal margin blunt. Each ramus armed with 6 setae; seta I not observed and probably vestigial; seta II bare; setae III pinnate; seta IV short and pinnate; seta V consisting of a stout spine-like base with a long cylindrical seta-like portion arising subdistally; seta VI shortest and bare; seta VII bi-articulate at base and arising from inner dorsal surface; all setae displaced onto dorsal surface of ramus. A 1 (Figure 11 B), 8 - segmented, short, robust; segment- 4 with a sub-cylindrical process armed with a long slender seta fused basally to aesthetasc; segment- 6 armed with 1 slender bare seta arising from a ventral subcylindrical process. Armature formula: 1 - [1 bare], 2 - [8 bare + 1 pinnate], 3 - [4 bare + 2 pinnate], 4 - [1 bare + 1 pinnate + (1 + ae)], 5 - [1 bare], 6 - [3 bare], 7 - [2 bare], 8 - [4 bare + acrothek]; apical acrothek consisting of a welldeveloped aesthetasc fused basally to 2 slender, naked setae. A 2 (Figure 8 A), 4 - segmented, comprising coxa, basis, and 2 - segmented free enp coxa small and bare; basis approximately 2.5 times as long as wide, without any surface ornamentation; enp- 1 with 1 pinnate abexopodal seta; enp- 2 armed with 1 lateral bare seta, 2 bare spines sub-distally, 4 geniculate setae distally, and 1 long geniculate seta fused basally to 1 long bare seta; exp 1 - segmented, with 1 pinnate and 1 bare inner setae, 1 distal modified seta, and 1 small outer bare seta distally. Mandible (Figure 8 B), coxa with well-developed gnathobase bearing 1 small bare seta at dorsal corner, 7 major overlapping teeth; palp biramous, comprising basis, 1 - segmented exp, and 2 - segmented enp; basis widened distally, with 2 pinnate setae; exp with 2 lateral and 2 distal bare setae; enp 2.3 times as long as than exp; enp- 1 longer than enp- 2; the former with 2 bare sub-distal setae; enp- 2 with 6 basally fused bare setae at apex. Maxillule (Figure 8 C), praecoxal arthrite well developed, with 7 spines, 2 bare, and 2 juxtaposed slender setae; coxa with a cylindrical endite bearing 2 bare and 1 pinnate setae apically; basis fused with a cylindrical endite with 6 naked setae distally; exp 1 - segmented, small, with 2 pinnate setae; enp 1 - segmented, elongate, with 3 lateral and 2 distal bare setae. Maxilla (Figure 8 D), syncoxa with 3 cylindrical endites; praecoxal endite with 1 pinnate and 2 bare setae; proximal endite with 1 pinnate and 1 bare setae on distal margin; distal coxal endite with 2 pinnate setae; allobasis with 1 strong claw, 2 accessory bare setae and 1 bare seta near base of enp; enp 1 - segmented, with 4 bare and 1 pinnate setae distally. Maxilliped (Figure 8 E), 4 - segmented, comprising syncoxa, basis, and 2 - segmented enp; syncoxa with 1 bare seta; basis ornamented with a row of spinules sub-distally; enp- 1 with 2 lateral bare setae and 1 geniculate seta distally; enp- 2 with 2 geniculate setae. P 1 (Figure 9 A), coxa bare; basis with 1 bare outer seta and ornamented with an unusual bundle of 5 very long setules near inner margin and 1 row of spinules; exp- 1 approximately 2.2 times longer than exp- 2, the former with 1 long pinnate seta and ornamented with two row of spinules; exp- 2 short, with 4 long pinnate setae distally; enp prehensile; enp- 1 elongate, ornamented with a row of outer spinules; enp- 2 with 2 geniculate setae apically. P 2 – P 3 (Figure 9 B – C), coxa bare; basis with 3 rows of spinules as illustrated and with 1 basal outer seta; exp 3 - segmented; exp- 1 and exp- 2 with 1 outer; exp- 3 with 1 outer spine and 1 geniculate apical seta; enp 1 - segmented, without armature. FIGURE 9. Wellsopsyllus (Scottopsyllus) koreanus sp. nov., female: (A) P 1; (B) P 2; (C) P 3; (D) P 4. FIGURE 11. Wellsopsyllus (Scottopsyllus) koreanus sp. nov.: (A) malem, habitus, dorsal; (B) femalem, antennule; (C) malem, antennules, C 1: segments 1 to 4 [incomplete surface suture arrowed]; C 2: segments 5 to 7. P 4 (Figure 9 D), coxa bare; basis with 1 naked basal outer seta and ornamented with 3 rows of spinules; exp 3 - segmented; exp- 1 and exp- 2 with 1 outer spine; exp- 3 with 1 outer spine and 1 geniculate seta; enp 2 - segmented; enp- 1 ornamented with a row of outer spinules; enp- 2 with 1 modified seta. The armature formula is as follows: P 5 (Figure 10 A), with benp medially fused; benp with 1 basal seta; endopodal lobe dimpled, each leg with 2 bare setae on outermost process; exp discrete, small, with 3 bare setae. Description of male. Body (Figure 11 A), slightly smaller and more slender than female, body length 375 µm (measured from anterior margin of cephalic shield to posterior margin of caudal rami: n = 8, mean = 370 µm), largest width measured at posterior margin of cephalic shield: 70 µm; general body shape and ornamentation as in female except for separation of genital somite; additional sexual dimorphism in A 1, P 5, and P 6. A 1 (Figure 11 C 1 – C 2), 7 - segmented, subchirocer; segment- 2 formed from fusion of two ancestral segments as indicated by incomplete surface suture (denoted by an arrow in Figure 11 C 1), with a sub-cylindrical process armed with 1 long slender seta; segment- 5 swollen, largest. Armature formula: 1 – [1 bare], 2 – [6 bare + 2 pinnate], 3 – [5 bare + 1 pinnate], 4 – [1 bare + 1 pinnate], 5 – [6 bare + 1 modified stout + (1 + ae)], 6 – [2 bare], 7 – [8 bare + acrothek]; apical acrothek consisting of small aesthetasc fused basally to 2 bare setae. P 5 (Figure 10 C), both legs confluent; benp with 1 bare basal seta; endopodal lobe ridged, with 2 bare setae on each side; exp discrete, with 3 bare setae. P 6 (Figure 10 D), pair of P 6 symmetrical, with 3 bare setae.	en	Back, Jinwook, Lee, Wonchoel (2014): Two new species of the genus Wellsopsyllus (Copepoda; Harpacticoida; Paramesochridae) from the Yellow Sea. Zootaxa 3895 (3): 346-366, DOI: 10.11646/zootaxa.3895.3.2
DB0B5C67FF92FFE1CBA1F8821D3E8841.taxon	etymology	Etymology. The specific name ‘ koreanus ’ refers to the nation to which the type locality belongs.	en	Back, Jinwook, Lee, Wonchoel (2014): Two new species of the genus Wellsopsyllus (Copepoda; Harpacticoida; Paramesochridae) from the Yellow Sea. Zootaxa 3895 (3): 346-366, DOI: 10.11646/zootaxa.3895.3.2
