Glebocarcinus oregonensis (Dana, 1852)

Wicksten, Mary K., 2012, Decapod Crustacea of the Californian and Oregonian Zoogeographic Provinces 3371, Zootaxa 3371, pp. 1-307 : 230

Glebocarcinus oregonensis (Dana, 1852)

( Fig. 53D)

Trichocera oregonensis Dana, 1852: 86 . Trichocarcinus oregonensis . — Holmes, 1900: 54. Cancer oregonensis . — Rathbun 1904: 178, pl. 7, fig. 1; 1930: 226, pl. 96. — Weymouth 1910: 49, pl. 11, fig. 34. — Schmitt 1921:

234, pl. 36, figs. 3, 4. — Johnson & Snook 1927: 383, fig. 337. — Nations 1975: 38, figs. 17E, F, 18E, F, 30-1, 30-2. — Word &

Charwat 1975: 51.— Wicksten 1979d: 1181.— Garth & Abbott 1980: 607, fig. 25.21.— Hart 1982: 210, fig. 86. — Ricketts et al. 1985: 305, fig. 237. — Jensen 1995: 29, fig. 36. — Kuris et al. 2007: 641. Glebocarinus oregonensis . — Schweitzer & Feldmann 2000: 234.

Diagnosis. Carapace rounded, anterolateral, posterolateral margins not meeting at distinct angle, widest at tooth 7 or 8, 12–13 anterolateral teeth. Ornamentation of dorsal surface of carapace variable; from moderately raised areas to pronounced tuberculate patches. Merus of third maxilliped with antero-external angle produced. Carpus of cheliped with spine at antero-internal angle with tooth below it; hand thick, high; upper edge of palm with 2 rows small tubercles; outer surface with 5 granulated lines. Carapace length to 36.5 mm.

Color in life. Usually dark red-brown above, lighter below; pereopods 2–5 may have bands of light color. In some individuals, carapace entirely gray or with red spots or bands of orange or yellow. Chelipeds with dark apices. The color notes are from crabs from Trinidad, Humboldt County, California; see also color photograph by Jensen (1995).

Habitat and depth. Among rocks, tide pools, in barnacle shells, among mussels on pilings, intertidal zone to 435 m.

Range. St. George I., Pribilof Is. to off Palos Verdes Peninsula , California, but rarely found south of Point Arena , Mendocino County , California. Common in tide pools from Humboldt County , California northward. Type locality Puget Sound .