Chionoecetes angulatus Rathbun 1924

• Main Author: Wicksten, Mary K.
• Format: Other/Unknown Material
• Language: unknown
• Published: 2012
• Subjects: Biodiversity; Taxonomy; Animalia; Arthropoda; Malacostraca; Decapoda; Oregoniidae; Chionoecetes; Chionoecetes angulatus; Bering Sea; Blanco; Alaska
• Online Access: https://zenodo.org/record/5255278; https://doi.org/10.5281/zenodo.5255278

Chionoecetes angulatus Rathbun, 1924 (Fig. 50F) Chionoecetes angulatus Rathbun, 1894: 76 (part). — Rathbun 1925: 247, pls. 90, 91. — Garth 1958: 159, pl. I, fig. 7; pl. 16, fig. 1. Chionoecetes tanneri. — Rathbun 1894: 76 (part). Diagnosis. Rostrum small, teeth wide and inclined upward. Carapace broad, spinulous, pubescent, lateral margins partially concealed by expanded branchial regions; space between branchial regions shallow. Dorsal ridges of branchial region converging in straight lines, meeting in acute angle marked by large spine. Male cheliped longer than that of female; palm inflated, fingers narrow, curved. Pereopods 2–5 flattened, meri little dilated; dactyls long and slender. Male carapace length 24.6 mm, width 23.3 mm; female 26.4 mm, width 24.8 mm. Color in life. Not reported. Habitat and depth. Green mud, fine black sand; 90–3000 m but usually on continental slope, depth greater than 200 m. Range. Bering Sea off Pribilof Is., Alaska to northwest of Cape Blanco, Oregon. Type locality south of Pribilof Is. Published as part of Wicksten, Mary K., 2012, Decapod Crustacea of the Californian and Oregonian Zoogeographic Provinces 3371, pp. 1-307 in Zootaxa 3371 on page 218