Platytyphlops orbicularis ( Calman, 1905 ) Gerken, 2018

Gerken, Sarah, 2018, The Lampropidae (Crustacea: Cumacea) of the World, Zootaxa 4428 (1), pp. 1-192 : 158-159

Platytyphlops orbicularis ( Calman, 1905) n. comb.

Platyaspis orbicularis Calman, 1905: 43 , pl. 5 fig. 77–81.

Platytyphlops orbicularis .— Stebbing 1912: 144, 161.— Zimmer 1980: 18.

Platysympus orbicularis .— Hansen 1920: 52.— Reyss 1978a: 12.

Paralamprops orbicularis— Calman 1912: 631, 634, fig. 29–39.

Type material. Syntypes: NHM. 77 miles WNW of Achill Head, County Mayo, Ireland. Not seen. Diagnosis. Carapace without lateral ridges, marginal carina entire, ridge absent on pseudorostrum; eyelobe without lenses or tumidities. Antennule article 1 not expanded; accessory flagellum 1.0 main flagellum. Telson shorter than uropod peduncles, with 5 terminal setae, terminal setae equal. Uropod endopod article 1 1.7 length of articles 2 and 3 together. Adult male unknown .

Depth. 423–1739 m.

Distribution North Atlantic, east coast of USA, Faroes, Norway, Ireland.

Remarks. This is a distinctive species, with the carapace subrectangular in dorsal view and without sculpturing, and pereopod 5 being much shorter than the basis of pereopod 4, although similar in proportion to pereopods 3 and 4.