Genus Pilsbryiscalpellum Zevina, 1978

Arcoscalpellum Newman & Ross 1971: 42 (part).

Pilsbryiscalpellum Zevina, 1978b: 1348; Liu & Ren, 1985: 201.

Diagnosis. Inframedian latus triangular, umbo basal; carinal latus umbo in carinobasal part, significantly protruding; caudal appendages small, consisting of one to seven segments.

Type species. Scalpellum parallelogramma Hoek, 1883 .

Composition. Four species.

Distribution. Polar areas. Known depth range 100 to 1097 m.