Rafinesque, 1815
Shell spiral, conical (often pyramidal); frequently umbilicate mother-of-pearl inside often revealed at eroded apex. Plane of aperture markedly prosocline. Foot with extensile epipodial tentacles; operculum polygyrous, circular.
Source: Hayward et al., 1990.
The following subtaxa of this family occur in the region:
Genus Calliostoma
Calliostoma occidentale
Calliostoma zizyphinum
Genus Clelandella
Clelandella miliaris
Genus Gibbula
Gibbula cineraria
Gibbula magus
Gibbula pennanti
Gibbula tumida
Gibbula umbilicalis
Genus Jujubinus
Jujubinus exasperatus
Jujubinus montagui
Jujubinus striatus
Genus Margarites
Margarites groenlandicus
Margarites helicinus
Genus Osilinus
Osilinus lineatus