Chrysostoma

Chrysostoma is a genus of sea snails, marine gastropod mollusks in the family Trochidae, the top snails.^[1][2]

Chrysostoma
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Subclass:	Vetigastropoda
Order:	Trochida
Superfamily:	Trochoidea
Family:	Trochidae
Genus:	Chrysostoma Swainson, 1840
Type species
Turbo nicobaricus Gmelin, 1791

Description

The solid, thick shell has a globose shape. The spire is very short . The aperture is rounded. The parietal wall bears a heavy callus which wholly or almost covers the narrow umbilicus.^[3]

Species

Species within the genus Chrysostoma include:^[1]

• Chrysostoma paradoxum (Born, 1778)

Species brought into synonymy

• Chrysostoma zeus (Fischer, 1874): synonym of Austrocochlea zeus P. Fischer, 1874