Benthesicymus tanneri Faxon, 1893

Wicksten, Mary K., 2012, Decapod Crustacea of the Californian and Oregonian Zoogeographic Provinces 3371, Zootaxa 3371, pp. 1-307 : 18-20

Benthesicymus tanneri Faxon, 1893

( Fig. 3G–I)

Benthesicymus tanneri Faxon, 1893: 215 ; 1895: 205, pl. H. — Rathbun 1904: 147. — Schmitt 1921: 23, fig. 10. — Anderson & Lindner 1943: 298. — Méndez 1981: 31, pl. 8, figs. 61, 61a, 62a, b. — Wicksten 1989b: 311. — Kikuchi & Nemoto 1991: 65. — Hendrickx 1996: 12, fig. 5 (extensive synonymy). — Pérez Farfante & Kensley 1997: 61. — Guzmán & Wicksten 200: 926. — Wicksten & Hendrickx 2003: 57.

Diagnosis. Exoskeleton smooth, membranous. Rostrum short, raised into crest with 2 dorsal, no ventral teeth, continued on carapace as dorsal carina to cervical groove. Carapace with lower orbital angle prominent but blunt, prominent branchiostegal tooth continuing into carina, sharp pterygostomian angle without tooth; hepatic spine, gastro-hepatic, cervical grooves, ridge along branchial region. Eye pigmented. Stylocerite shorter than first segment of antennular peduncle, with tooth at distal external angle. Scaphocerite tapered. Last segment of third maxilliped with 4 spines, exopod present. Pereopods slender, without exopods. Abdominal somites 1–3 without carinae, somite 4 with faint dorsal carina, somites 5, 6 with dorsal carina armed with posterior tooth. Telson short, convex above, with 3 pairs lateral spines. Total length to 112 mm.

Color in life. Deep red, sometimes with patch of blue on abdominal somites 2–4.

Habitat and depth. Continental slopes, usually benthic, 484–1300 m

Range. San Diego, California to northern Chile. Type locality 75 mi. SW of Guaymas, central Gulf of

California (Albatross sta. 3436).