Callianopsis goniophthalma (Rathbun, 1902)

Wicksten, Mary K., 2012, Decapod Crustacea of the Californian and Oregonian Zoogeographic Provinces 3371, Zootaxa 3371, pp. 1-307 : 136

Callianopsis goniophthalma (Rathbun, 1902)

( Fig. 32A)

Callianassa goniophthalma Rathbun, 1902: 886 ; 1904: 154, pl. 8. — Schmitt 1921: 121, fig. 82. — Pereyra & Alton 1972: 450. — Wicksten 1980c: 362; 1989b: 312..

Callianopsis goniophthalma . — de Saint Laurent 1973: 515. — Hart 1982: 54, fig. 1. — Manning & Felder 1991: 789, fig. 18. — Hendrickx 1995b: 158. — Sakai 2005: 229.

Diagnosis. Rostrum small, sharp. Carapace smooth, slight elevation on mid-dorsal margin, distinct cervical, lateral groove. Eyestalk long, with small tooth, cornea unpigmented. Both antennae with slender peduncles, long, setose flagella. Third maxillipeds with semicircular dactyls. Larger cheliped with merus with ventral marginal tooth, carpus wide, palm of chela with sharp margins, fingers setose, toothed; gape between fingers in male. Smaller chela slender. Pereopod 2 chelate, Pereopods 3, 4 with simple dactyls, pereopod 5 subchelate. Abdomen with narrow pleura, membranous; sharp tooth on either side of somite 6. Telson subrectangular, uropods longer than telson; all bearing dorsal ribs. Male with first pleopods modified as copulatory appendages, female first pleopods biramous. Total length of male 130 mm, female 100 mm.

Color in life. Not reported, but newly preserved specimens were pale.

Habitat and depth. Continental slopes, mud, clay, 483–1920 m.

Range. Clarence Strait , Alaska to off Palos Verdes Peninsula , California; off Ahome Point, Sinaloa, Mexico. Type locality off Point Conception, California .