Platytyphlops orbicularis Gerken 2018, n. comb.

• Main Author: Gerken, Sarah
• Format: Other/Unknown Material
• Language: unknown
• Published: 2018
• Subjects: Biodiversity; Taxonomy; Animalia; Arthropoda; Malacostraca; Cumacea; Lampropidae; Platytyphlops; Platytyphlops orbicularis; Norway; Faroes; North Atlantic
• Online Access: https://zenodo.org/record/3799250; https://doi.org/10.5281/zenodo.3799250

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. Published as part of Gerken, Sarah, 2018, The Lampropidae (Crustacea: Cumacea) of the World, pp. 1-192 in Zootaxa 4428 (1) on pages 158-159, DOI:10.11646/zootaxa.4428.1.1, http://zenodo.org/record/3769771