taxonID	type	description	language	source
F46CEDA4F4125DFB9AD04CAD6E0AF58D.taxon	diagnosis	Diagnosis. Body vaulted, dorsal surfaces smooth or polished in appearance, without setae. Eyes lateral, simple, without posterior lobe. Pleon consisting of 4 visible segments (as determined by lateral sutures), sutures (except first) long extending from lateral margin, separated medially by 24 - 28 % pleon width; pleonite 1 entire, posterior margin even, narrower than remainder of pleon, not extending to pleon lateral margins. Pleotelson vaulted, anteriorly as wide as pleon, without dorsal process; posterior margin entire, simple, arcuate. Maxilliped palp articles 2 - 4 medial margins lobate, article 2 not expanded. Penial processes entirely separate, basally close set, short (not extending beyond pleopod peduncles). Uropod rami lamellar, similar in size, exopod shorter than endopod, inserted near anterolateral angle of peduncle; endopod lateral margin simple, finely serrate or smooth, distally broadly rounded; both rami distally broadly rounded or narrowly rounded.	en	Wetzer, Regina, Wall, Adam, Bruce, Niel L. (2021): Redescription of Gnorimosphaeroma oregonense (Dana, 1853) (Crustacea, Isopoda, Sphaeromatidae), designation of neotype, and 16 S-rDNA molecular phylogeny of the north-eastern Pacific species. ZooKeys 1037: 23-56, DOI: http://dx.doi.org/10.3897/zookeys.1037.63017, URL: http://dx.doi.org/10.3897/zookeys.1037.63017
F46CEDA4F4125DFB9AD04CAD6E0AF58D.taxon	description	Description. Body vaulted, dorsal surfaces smooth or polished in appearance, without setae; coxal and other margins smooth, with ability to conglobate; not or weakly sexually dimorphic. Head with rostral point present, dorsally visible, simple, not separating antennular bases; without paired incisions in front of eyes, lateral margins not laterally extended to body outline (antennules more or less ventral). Eyes lateral, simple. Pereonite 1 lateral margins not anteriorly produced, not laterally enclosing head, pereonites 2 - 7 with posterior margin not raised, pereonite 1 anteriorly with keys. Sternite 1 without cuticular mesial extensions. Pereonite 6 simple, without bosses, processes or marginal extensions. Pereonite 7 as wide as pereonite 6, forming part of body outline, dorsally without bosses, processes, or marginal extensions. Coxae distally narrow, those of pereonites 2 - 7 overlapping the one behind, rounded, with ventral ' lock and key' processes, with grooved articulation; those of pereonite 6 not large, not overlapping those of pereonite 7. Pleon consisting of 4 visible segments (as determined by lateral sutures); pleonite 1 entire, posterior margin even, narrower than remainder of pleon, not extending to pleon lateral margins; sutures (except first) running to lateral margin, all separate, sutures long (separated medially by 24 - 28 % pleon width); pleonal sternite absent; dorsal surface without process; posterior margin even, with ' keys'. Pleonite 5 posterior margin entire (not fused with pleotelson). Pleotelson vaulted, anteriorly as wide as pleon, without dorsal process; posterior margin entire, simple, arcuate; ventrolateral margins forming ridge. Marsupium formed from four pairs of oostegites, arising from pereonites 1 - 4; anterior pocket absent, posterior pocket absent, oostegites overlapping at mid-line (except 1). Antennule peduncle with basal articles medially not in contact, 1 and 2 robust, article 3 slender; article 1 not produced, without anterior lobe; article 2 approximately 0.5 as long as article 1; with articles 2 and 3 colinear, article 3 longer than article 2; article (s) not flattened; flagellum shorter than peduncle, longer than peduncular article 3. Antenna peduncle articles all colinear (or curving regularly), less robust than antennule, peduncular articles all of similar thickness. Epistome anteriorly narrow, with median weak constriction, anteriorly flush with head, not projecting; elongate. Mandible incisor wide, 4 - cuspid; lacinia mobilis present; spine row normal; present, molar process gnathal surface with transverse ridges, rounded. Maxillula lateral lobe robust setae with some or all serrate, mesial lobe with major robust setae, these setae being heavily serrate. Maxilla with setae on middle and lateral lobes serrate. Maxilliped palp articles 2 - 4 medial margins lobate, article 2 not expanded; endite distal margin rounded, anteromesial (upper) marginal ridge without long curved serrate robust setae. Mouthparts of female not metamorphosed. Pereopod 1 ambulatory; dactylus secondary unguis short, robust, simple; setae on superodistal corner of merus only very long. Pereopod 2 similar in proportion to pereopod 3; dactylus with secondary unguis simple, short and stout. Pereopods 3 - 7 dactylus with secondary unguis simple. Pereopods with inferior margins of ischium to carpus without dense setulose fringe, ischium superior margin without sinuate acute robust seta, pereopods 1 - 3 or 4 ischium superior margin with few long stiff slender setae. Pereopods 1 (or 1 - 3), inferior margins of merus, carpus and propodus palm pereopod 1 only with robust setae on propodus inferior margin. Penial processes entirely separate, basally close set, short (not extending beyond pleopod peduncles), widest near base, apex bluntly rounded. Pleopod 1 rami not operculate; exopod lamellar; rami exopod with longitudinal axis weakly oblique; endopod of similar proportions to exopod, mesial margin lamellar, distally triangular, endopod proximomedial heel absent; exopod distally rounded or distally subtruncate or truncate, exopod distal margins not serrate. Pleopod 2 endopod ca. as long as exopod; exopod distal margins not deeply serrate; appendix masculina inserted basally, with straight margins, distally abruptly narrowed, longer than and extending beyond endopod (1.14 x as long as endopod), distally narrowly rounded. Pleopod 3 exopod transverse suture present, endopod of similar proportions to exopod. Pleopod 4 rami with PMS; exopod transverse suture present, incomplete, thickened transverse ridges absent, lateral margin not thickened, with short simple marginal setae; endopod thickened transverse ridges absent; mesial margin without deep distal notch; endopod without proximomedial lobe. Pleopod 5 exopod transverse suture present, entire, thickened transverse ridges absent, lateral margin with short simple setae, lateral margin not thickened, with 3 discrete scale patches; scale patches flush or weakly domed; endopod with thickened transverse ridges absent, endopod without proximomedial lobe. Uropod rami not strongly flattened, not forming part of continuous body outline; exopod shorter in length than endopod, exopod lamellar, inserted near anterolateral angle of peduncle-endopod, lateral margin simple, finely serrate or smooth, distally broadly rounded; endopod lamellar, distally broadly rounded or narrowly rounded. Uropod endopods not in contact posteriorly.	en	Wetzer, Regina, Wall, Adam, Bruce, Niel L. (2021): Redescription of Gnorimosphaeroma oregonense (Dana, 1853) (Crustacea, Isopoda, Sphaeromatidae), designation of neotype, and 16 S-rDNA molecular phylogeny of the north-eastern Pacific species. ZooKeys 1037: 23-56, DOI: http://dx.doi.org/10.3897/zookeys.1037.63017, URL: http://dx.doi.org/10.3897/zookeys.1037.63017
0BC8E461C1CD53B2B84F2D40FA30A3A1.taxon	materials_examined	Material examined. Neotype ♂ (8.5 mm): Canada, British Columbia, Vancouver, Stanley Park, 49.294 ° N, 123.155 ° W, mid intertidal, hand, fixed and preserved in 95 % ethanol. 7 Jul 2010, coll. Regina Wetzer & N. Dean Pentcheff. Collection ID: RW 10.003. LACM: DISCO: 7028.	en	Wetzer, Regina, Wall, Adam, Bruce, Niel L. (2021): Redescription of Gnorimosphaeroma oregonense (Dana, 1853) (Crustacea, Isopoda, Sphaeromatidae), designation of neotype, and 16 S-rDNA molecular phylogeny of the north-eastern Pacific species. ZooKeys 1037: 23-56, DOI: http://dx.doi.org/10.3897/zookeys.1037.63017, URL: http://dx.doi.org/10.3897/zookeys.1037.63017
0BC8E461C1CD53B2B84F2D40FA30A3A1.taxon	description	Description of male neotype. Body length 2.4 x width; widest at pereonite 6; pleotelson length 0.6 x width, distal margin broad and weakly convex. (Figs 1 A, B, 2 A). Pleotelson length 0.66 x width. Antennula peduncle article 1 length 1.3 x width; article 2 as long as wide; article 3 length 2.6 x width, inferior distal margin with one palm seta; flagellum with 13 articles, 11 basal articles with aesthetascs and small simple seta (Figs 2 A, 3 A, 4 A). Antenna reaching slightly beyond anterior margin of pereonite 2; peduncle article 4 length 2.3 x width, flagellum with 14 articles, setation as figured (Figs 2 A, 3 B, 4 B). Clypeus and labrum as in Figs 3 A, 8 B. Left mandible incisor with 4 cusps; lacinia mobilis with a single cusp; lacinia mobilis spine row comprised of 4 serrate spines; crushing surfaces ridged (Fig. 4 C). Right mandible incisor with 3 cusps, spine row comprised of 7 serrate spines (Fig. 4 D). Maxillula mesial lobe with ca. 4 spines; lateral lobe with ca. 8 spines (Fig. 4 F, E, respectively). Maxilla mesial lobe with 5 simple setae and 6 plumose RS on gnathal surface; middle lobe with 2 simple setae and 1 pectinate RS; lateral lobe with 2 simple setae, and 1 pectinate RS (Fig. 4 G). Maxilliped endite distal surface with 7 plumose setae; distomesial margin with 3 plumose setae; palp article 2 distal apex with 9 long, simple RS; article 3 distal apex with 11 long, simple RS, lateral distal angle with 2 long, simple RS; article 4 distal apex with 15 long, simple RS, lateral distal angle with 1 long, simple RS; article 5 distal apex with 13 long, simple RS (Fig. 4 H). Pereopod 1 (Figs 5 A, 7 C) basis inferior distal angle with 1 long, RS, inferior proximal margin with setal patch; ischium length 1.6 x width, inferior medial margin with setal patch; merus lobate, 0.74 x ischium length, superior distal angle with 4 long, RS; carpus inferior medial margin with 1 robust, serrate, trident seta; propodus length 2.1 x width, 1.1 x ischium length, inferior margin with 3 robust, serrate, trident seta, and 3 plumose setae; dactylus length 1.2 x width, length 0.33 x propodus length, distal margin with 4 simple setae (Figs 5 A, 7 C). Pereopod 2 (Fig. 5 B) basis inferior distal angle with 1 long, simple RS, inferior medial margin with setal patch; ischium length 2.2 x width, inferior medial margin with 12 long, simple RS, inferior distal angle with single simple RS; merus lobate, length 1.6 x width, 0.69 x ischium length, superior distal angle with cluster of 7 simple RS, distal medial margin with one palm seta; carpus length 1.2 x merus length, 2.5 x width, superior margin with 4 robust, biserrate setae on distal angle, inferior margin 2 palm setae; propodus weakly curved, length 2.6 x width, 1.2 x carpus length, superior distal margin with a palm seta; dactylus length 1.2 x width, length 0.27 x propodus length, inferior margin with scales, distal margin with 3 long, simple setae (Fig. 5 B). Pereopods 3 - 6 progressively less setose (not figured). Pereopod 7 (Figs 5 C, 7 B) basis inferior medial margin with setal patch, inferior distal angle with 1 long, simple seta; ischium length 3.2 x width, inferior distal angle with 1 palm seta; merus lobate, merus length 1.3 x width, merus length 0.42 x ischium length, superior distal angle with 1 trident seta, inferior distal angle with 1 biserrate seta and 1 palm seta; carpus length 1.8 x width, carpus length 1.3 x merus length, superior distal angle with a cluster of 5 long, biserrate setae, inferior distal angle with a cluster of 1 long, biserrate seta, and 1 long, trident seta; propodus weakly curved, length 3.2 width, length 1.5 carpus length, superior distal angle with 1 simple seta, and 1 palm seta, inferior margin with 2 long, trident setae; dactylus length 1.3 x width, dactylus length 0.21 x propodus length, distal margin with 3 simple setae (Figs 5 C, 7 B). Penial processes length 3.8 x basal width; close set (Fig. 6 A). Pleopod 1 (Fig. 6 B) peduncle length 0.38 x width with 4 coupling hooks; exopod length 1.5 x width, 1.1 x endopod length. Pleopod 2 (Fig. 6 C) peduncle length 0.34 x width with 3 coupling hooks, appendix masculina length 8.5 x width, 1.1 x length of endopod, straight, proximally and medially slightly swollen, distally narrowing. Pleopod 3 (Fig. 6 D) peduncle length 0.34 x width with 3 coupling hooks. Pleopods 1 - 4 exopods and endopods with PMS as figured (note: not all drawn, but indicated). Pleopod 4 (Fig. 6 E) endopod and exopod subequal, exopod with transverse suture. Pleopod 5 (Fig. 6 F) endopod and exopod subequal, endopod length 1.5 x width, exopod length 2.1 x width with 1 distal scale patch and 2 medial lateral scale patches. Uropod extending to posterior margin of pleotelson. Exopod 0.83 x as long as endopod, 2.7 x as wide; apex narrowly rounded; mesial margin with continuous row of PMS. Endopod 3.8 x as long as wide, lateral margin weakly convex, apex bluntly rounded.	en	Wetzer, Regina, Wall, Adam, Bruce, Niel L. (2021): Redescription of Gnorimosphaeroma oregonense (Dana, 1853) (Crustacea, Isopoda, Sphaeromatidae), designation of neotype, and 16 S-rDNA molecular phylogeny of the north-eastern Pacific species. ZooKeys 1037: 23-56, DOI: http://dx.doi.org/10.3897/zookeys.1037.63017, URL: http://dx.doi.org/10.3897/zookeys.1037.63017
0BC8E461C1CD53B2B84F2D40FA30A3A1.taxon	description	Description of female. Body length 2.4 x width (Figs 2 B, 3 A, B, 7 A, 8 A-C, 9 A, B). Pleotelson length 0.66 x width (Fig. 8 C). Uropodal endopod (Figs 8 C, 9 B) as in male, longer than exopod, endopod just barely extending to posterior margin of pleotelson. Gravid female (Figs 3 B, 9 B) estimated to be able to brood 8 - 10 mancas.	en	Wetzer, Regina, Wall, Adam, Bruce, Niel L. (2021): Redescription of Gnorimosphaeroma oregonense (Dana, 1853) (Crustacea, Isopoda, Sphaeromatidae), designation of neotype, and 16 S-rDNA molecular phylogeny of the north-eastern Pacific species. ZooKeys 1037: 23-56, DOI: http://dx.doi.org/10.3897/zookeys.1037.63017, URL: http://dx.doi.org/10.3897/zookeys.1037.63017
0BC8E461C1CD53B2B84F2D40FA30A3A1.taxon	description	Size. Largest ♂ to 8.5 mm, largest ♀ to 6 mm. Dana (1853) gave no measurements. Fee (1926: 8, 9) records the largest specimens as being " ca. 1 cm. long; one-half as long as wide. "	en	Wetzer, Regina, Wall, Adam, Bruce, Niel L. (2021): Redescription of Gnorimosphaeroma oregonense (Dana, 1853) (Crustacea, Isopoda, Sphaeromatidae), designation of neotype, and 16 S-rDNA molecular phylogeny of the north-eastern Pacific species. ZooKeys 1037: 23-56, DOI: http://dx.doi.org/10.3897/zookeys.1037.63017, URL: http://dx.doi.org/10.3897/zookeys.1037.63017
0BC8E461C1CD53B2B84F2D40FA30A3A1.taxon	distribution	Distribution. British Columbia, Vancouver to California, San Francisco.	en	Wetzer, Regina, Wall, Adam, Bruce, Niel L. (2021): Redescription of Gnorimosphaeroma oregonense (Dana, 1853) (Crustacea, Isopoda, Sphaeromatidae), designation of neotype, and 16 S-rDNA molecular phylogeny of the north-eastern Pacific species. ZooKeys 1037: 23-56, DOI: http://dx.doi.org/10.3897/zookeys.1037.63017, URL: http://dx.doi.org/10.3897/zookeys.1037.63017
