Onustus
Onustus is a genus of large sea snails, marine gastropod mollusks in the family Xenophoridae, the carrier shells.Description
medium-sized to large, thin-shelled, with wide peripheral flange, simple or weakly digitate, porcellanous ventrally. Umbilicus narrow to wide, sometimes plugged with callus. Foreign objects attached to periphery on few to all whorls, usually small and inconspicuous, leaving most of the shell surface exposed.Species within the genus Onustus include:
