Homalopoma (Cantrainea) (snail)
Gastropoda - Trochoidea - Turbinidae
Alternative spelling: Cantrainea
Parent taxon: Homalopoma according to H. S. Ladd 1982
See also Sepkoski 2002
Sister taxa: Homalopoma (Homalopoma), Homalopoma (Leptothyropsis), Homalopoma (Panacochlea), Homalopoma coombsi, Homalopoma degrangei, Homalopoma effingeri, Homalopoma granulosa, Homalopoma paucicostatum, Homalopoma sanguineus, Homalopoma umpquaensis, Homalopoma vancouverensis, Homalopoma wattsi
Subtaxa: none
Ecology: epifaunal grazer
Distribution:
• Pliocene of Fiji (1 collection)
• Miocene of Chile (1), Spain (1), Trinidad and Tobago (2), Venezuela (1)
• Eocene of United States (3: Washington)
Total: 9 collections including 10 occurrences