North Pacific species of the amphipod (Crustacea) family Stegocephalidae, with description of one new species and redescription of another

Abstract

The genera and species of the family Stegocephalidae Dana, 1852 (Crustacea: Amphipoda) of the North Pacific, including the Bering Sea, are surveyed, and a key to the species is presented. One new species, Stegocephalus beringi n. sp., is described, and Stegocephalopsis ampulla (Phipps, 1774) is redescribed; S. vegae Oldevig, 1959 is synonymized with S. ampulla. Comments are given on the morphology of three additional species.

Keywords:

• Amphipoda Stegocephalidae North Pacific Stegocephalus Beringi N. Sp