Parvochelus Brix & Kihara, 2015

Golovan, Olga A., 2015, Description of two ubiquitous species of Desmosomatidae (Isopoda: Asellota) from the Northwest Pacific Basin east of the Kuril-Kamchatka Trench, Zootaxa 4039 (2), pp. 201-224 : 211

Genus Parvochelus Brix & Kihara, 2015

Parvochelus Brix & Kihara in Brix et al., 2015: 51.

Type species. Parvochelus russus Brix & Kihara, 2015 , by original designation.

Diagnosis (modified after Brix & Kihara 2015). Body length 3.3–4.0 pereonite 2 width, covered with cuticular folds. Pereopod I with carpo-propodo-chela, carpus length 2.3–3.7 width, longer than propodus, with subparallel sides, not or only slightly produced at basis of claw-seta, laterally of claw-seta with one long slender seta, seta length at least 0.5 claw-seta length. Pereopods II–VII slender (pereopods II–IV carpus length about 7.0–8.0 width), setal rows with up to 5 setae. Pleotelson without posterolateral spines, lateral margins serrated, posterior margin framed by cuticular membrane. Female pleopod II and male pleopod I covering ventral side of pleotelson including anus, male pleopod I with convex lateral sides, distolateral lobes not developed. Uropod uniramous.

Composition. Parvochelus russus Brix & Kihara, 2015 ; P. serricaudis sp. nov.