Lebbeus washingtonianus (Rathbun, 1902)

Wicksten, Mary K., 2012, Decapod Crustacea of the Californian and Oregonian Zoogeographic Provinces 3371, Zootaxa 3371, pp. 1-307 : 90

Lebbeus washingtonianus (Rathbun, 1902)

( Fig. 22E)

Spirontocaris washingtoniana Rathbun, 1902: 895 ; 1904: 76, fig. 30. — Schmitt 1921: 55, fig. 33.

Lebbeus washingtonianus . — Holthuis 1947: 10. — Kozloff 1974: 165. — Word & Charwat 1976: 143. — Wicksten 1978: 3, fig. 5; 1980c: 364; 1989b: 313, 1990b: 592. — Butler 1980: 183. — Wicksten & Méndez 1982: 119. — Kikuchi & Ohta 1995: 779, figs. 8–13. — Chace 1997: 52. — Wicksten & Hendrickx 2003: 67. — Martin & Haney 2005: 449 .

Diagnosis. Rostrum slender, reaching end of first segment of antennular peduncle, with 4 or 5 dorsal, 2 or 3 ventral teeth. Dorsal spine on each segment of antennular peduncle, stylocerite not reaching end of first segment, flagella each twice length of carapace. Carapace with supraorbital, suborbital, antennal, weak pterygostomian teeth. Pereopods 1–3 with epipods. Pereopods 3–5 long, slender; dactyls slender, spinose. Merus of pereopod 3, with 5 spines; pereopod 4, with 4 spines; pereopod 5, with 1 spine. Pleura of abdominal somites 1–3 rounded, somite 4 with weak ventral teeth, somite 5 with strong tooth. Telson with 4–6 pair dorsolateral spines, acute apex. Male total length 43 mm, female 39 mm.

Color in life. Not reported.

Habitat and depth. Steep slopes, trenches of continental slope, 820–1808 m. Has been found in association with hot vents or cold seeps ( Martin & Haney 2005).

Range. Iheya Ridge, Hatoma Knoll and Minami-Ensei Knoll, Okinawa Trough; Anthony I., Queen Charlotte Is., British Columbia to Guaymas Basin, Gulf of California . Type locality off Sea Lion Rock, Washington .