Platytyphlops semiornatus ( Fage, 1929 ) Gerken, 2018

Gerken, Sarah, 2018, The Lampropidae (Crustacea: Cumacea) of the World, Zootaxa 4428 (1), pp. 1-192 : 164

Platytyphlops semiornatus ( Fage, 1929) n. comb.

Paralamprops semiornatus Fage, 1929: 24–26 , pl. 2, figs 56–63.— Roccatagliata, 1994: 420–429, figs 15–33.

Type material. Holotype: MNHN-CU319 , ovigerous female. West of Portugal.

Diagnosis. Carapace without lateral ridges, marginal carina dentate, ridge absent on pseudorostrum; eyelobe without lenses or tumidities. Antennule article 1 not expanded; accessory flagellum 1.1 main flagellum. Telson shorter than uropod peduncles, with 3 terminal setae, central seta longest. Uropod endopod article 1 1.5 length of articles 2 and 3 together. Adult male carapace rectangular in dorsal view, with sharp corners. Antennule with cluster of aesthetascs on article 1 of main flagellum. Antennal peduncle articles 4 and 5 with setae around entire circumference, flagellum extending past pereon, but not to end of pleon.

Depth. 2000–4000 m.

Distribution. North-east Atlantic, 41°1’N, 9°54’W and 38°N, 67– 71°W.

Remarks. Platytyphlops semiornatus is most similar to P. girardi , but in P. girardi the carapace is as wide as it is long, while in P. semiornatus the carapace is distinctly longer than wide.