The Lampropidae (Crustacea: Cumacea) of the World Author Gerken, Sarah text Zootaxa 2018 2018-06-01 4428 1 1 192 journal article 22652 10.11646/zootaxa.4428.1.1 e10e53f2-0e1b-46f6-8b0f-af19d5529711 1175-5326 3769771 2419A7F0-5AED-47EC-86BB-06AADB2A4BD9 Pseudodiastylis delamarei Reyss, 1975 Pseudodiastylis delamarei Reyss, 1975: 174–178 , figs 3A–J, 4A–L Type material. Holotype : MNHN , adult male. Brazil , 7°58’S , 34°13’W . Not seen. Diagnosis. Carapace with ridges, not covered in spines; pseudorostrum less than 0.5 carapace length. Adult male unknown. Depth . 834–1007 m . Distribution . Atlantic coast of Brazil . Remarks . This species has several ridges on the carapace, and is thus easily distinguished from the other two species in the genus, which do not have ridges on the carapace and have the carapace covered in spines.