Cidarina cidaris Adams 1864 (snail)
Gastropoda - Eucycloidea - Calliotropidae
PaleoDB taxon number: 305863
Alternative combination: Margarita cidaris
Belongs to Cidarina according to R. L. Squires and J. L. Goedert 1995
Sister taxa: Cidarina antiqua, Cidarina beta, Cidarina cretacea
Ecology: epifaunal grazer