Pasiphaea chacei Yaldwyn, 1962

Wicksten, Mary K., 2012, Decapod Crustacea of the Californian and Oregonian Zoogeographic Provinces 3371, Zootaxa 3371, pp. 1-307 : 37-38

Pasiphaea chacei Yaldwyn, 1962

( Fig. 9 A–D)

Pasiphaea chacei Yaldwyn, 1962: 18 , figs. 1–19. — Ebeling et al. 1969: 12. — Krygier & Pearcy 1981: 70. — Hendrickx & Estrada-Navarrete 1989: 111; 1996: 87, fig. 53. — Guzmán & Wicksten 1998: 2004. — Wicksten 2002: 133.

Diagnosis. Postfrontal tooth prominent, long, slender and acute. Carapace with dorsal carina on anterior 0.6 of surface, with suprabranchial carina; anterior margin produced dorsally into blunt, convex lobe, sinuous ventrally, branchioestegal tooth prominent. Eye well developed, pigmented. Antennular peduncle with narrow stylocerite. Basicerite with strong lateral tooth, scaphocerite reaching beyond antennular peduncle, with lateral tooth longer than blade. Third maxilliped reaching beyond scaphocerite, with exopod. All pereopods with exopods. Pereopod 1 with 0–12 meral spines, carpus with distoventral spine, slender chela. Pereopod 2 with 6–23 meral spines, carpus with distoventral spine, chela with fingers elongated, apices curved, capable of crossing one another. Pereopod 3 slender, pereopod 4 short, slender; pereopod 5 longer than pereopod, with broad dactyl. Abdominal somites without dorsal carina. Abdominal pleura rounded to concave. Telson somewhat shorter than abdominal somite 6,with longitudinal groove, truncate distal margin armed with 4 pairs spinules. Total length about 55 mm.

Color in life. Transparent with lightly scattered red chromatophores.

Habitat and depth. 0–1236 m, usually at 100–850 m.

Range. Oregon to Baja California, Mexico; northern Chile. Type locality San Pedro Basin, California .