Oedignathus inermis (Stimpson, 1860)

Wicksten, Mary K., 2012, Decapod Crustacea of the Californian and Oregonian Zoogeographic Provinces 3371, Zootaxa 3371, pp. 1-307 : 164-165

Oedignathus inermis (Stimpson, 1860)

( Fig. 39A)

Hapalogaster inermis Stimpson, 1860: 243 .

Oedignathus inermis . — Holmes 1900: 119. — Rathbun 1904: 163. — Schmitt 1921: 151, pl. 19, fig. 1; fig. 97 (early synonymy). — Johnson & Snook 1927: 337. — Makarov 1962: 231, fig. 80. — MacGinitie & MacGinitie 1968: 301.— Haig & Abbott 1980:

583, fig. 24.7. — Hart 1982: 68, fig. 18, color plate. — Ricketts et al. 1985: 171. — Dawson 1989: 319. — Jensen 1995: 70, fig. 136. — Kuris et al. 2007: 648.

Diagnosis. Carapace widest behind midlength, with abrupt angle at anterior edge of widest point; covered with scale-like plates; rostrum triangular, with frontolateral teeth, small teeth just mesial to them. Chelipeds unequal, covered by wart-like granules; hand of larger cheliped large and swollen, fingers with gape at base. Pereopods 2–4 with tubercles, stiff setae on dactyls. Female abdomen somewhat hardened on left side. Carapace length to 30 mm.

Color in life. Brown, with dark tubercles; tubercles on major cheliped of adult blue ( Hart 1982).

Habitat and depth. Rocky subtidal zones, especially in areas with strong currents; rarely lowest intertidal zone, to 15 m. In California, it has been collected in the last 20 years at the Farallon Is. off San Francisco .

Range. Korea, Japan; Dutch Harbor , Alaska to Pacific Grove, California. Type locality Puget Sound .