Decapod Crustacea of the Californian and Oregonian Zoogeographic Provinces 3371 Author Wicksten, Mary K. text Zootaxa 2012 2012-07-04 3371 1 307 journal article 1175­5334 Spirontocaris lamellicornis (Dana, 1852) ( Fig. 23B ) Hippolyte lamellicornis Dana, 1852: 24 ; 1852b: 576, pl. 1, fig. 6. Spirontocaris lamellicornis . — Holmes 1900: 208 . — Rathbun 1904: 62 . — Schmitt 1921: 53 , fig. 29. — Holthuis 1947: 8 . — Zarenkov 1960: 346 . — Kozloff 1974: 166 . — Standing 1981: 780 . — Wicksten 1980: 134; 1990b: 590. — Word 1983: 58 . — Jensen 1995: 51 , fig. 91.— Chace 1997: 56 . Diagnosis. Rostrum deep, extending beyond antennular peduncle, with midrib extending as strong tooth, 9–23 dorsal, 1–3 ventral teeth including 4 or 5 large teeth on dorsal surface of carapace. Each segment of antennular peduncle with distal spine, stylocerite exceeding length of peduncle. Carapace with 2 supraorbital teeth. Pereopods 1–3 with epipods. Pereopods 3–5 with simple, curved dactyls. Merus of pereopod 3, with 5–7 spines; pereopod 4, with 4 spines; pereopod 5, with 1–2 spines. Pleura of abdominal somites 1–5 usually with sharp points, but becoming rounded in animals larger than 10 mm in carapace length. Telson with 4 pairs dorsolateral spines, acute apex. Male total length to 42 mm , female to 63 mm . Color in life. Dark brown, pereopods dark red to colorless, tail fan banded; milkish overlaid with fine red mottling interspersed with yellow, brown to black spots; milkish with sixth abdominal somite red to purplish ( Butler 1980 ). Habitat and depth. Sand or mud bottoms, 3–192 m . Most specimens from California were taken by trawling at 50–70 m . Range. Commander Is. and Bering Sea to Santa Monica Bay , California . Rarely collected in southern California .