Periclimenes infraspinis (Rathbun, 1902)

Wicksten, Mary K., 2012, Decapod Crustacea of the Californian and Oregonian Zoogeographic Provinces 3371, Zootaxa 3371, pp. 1-307 : 55-57

Periclimenes infraspinis (Rathbun, 1902)

( Fig. 13C–E)

Urocaris infraspinis Rathbun, 1902a: 903 ; 1904: 31, fig. 10. — Schmitt 1921: 37, fig. 22.

Periclimenes infraspinis . — Holthuis 1951: 46, pl. 13, figs. a–l. — Word & Charwat 1976 b: 167. — Chace & Abbott 1980: 569. — Wicksten 1983b: 14; 1989a: 17. — Wicksten & Hendrickx 2003: 62.

Diagnosis. Rostrum reaching third segment of antennular peduncle, arched over eye, with 5–7 dorsal, 1–2 ventral teeth. Carapace with antennal, hepatic teeth. Stylocerite slender, reaching middle of basal segment of antennular peduncle, this segment with distolateral tooth. Scaphocerite with blade exceeding tooth. Pereopod 1 slender, chelate. Pereopod 2 longer, chelate, unequal in size, shape in adult; larger chela with 2 teeth on dactyl, smaller chela without teeth on dactyl. Pereopods 3–5 slender, with biunguiculate dactyls. Abdominal pleura rounded or ending in blunt points. Telson with 2 pairs dorsolateral spines, 3 pairs terminal spines. Total length 23 mm.

Color in life. Translucent, pale brown.

Habitat and depth. Subtidal among rock, sand, algae or cnidarians, to 150 m.

Range. San Diego Bay, California to Galapagos Is. Type locality Concepcion Bay, Baja California, Mexico. Word & Charwat (1976 b) reported this species from "Engel's Bank, California" (without latitude or longitude). One specimen was taken at Scammon's Lagoon in western Baja California in 1953 (Wicksten 1983). The records from San Diego are from Rathbun (1902, 1904). Most records are from the Gulf of California and farther south ( Holthuis 1951).