Gastropoda - Trochoidea - Phasianellidae
Alternative spelling: Tricoliidae
Parent taxon: Phasianellidae according to P. Bouchet et al. 2005
See also Beesley 1998, Landau et al. 2016, Lozouet et al. 2001, Vera-Peláez et al. 2004 and Wilson 1993
Sister taxa: Gabrieloninae, Phasianella, Phasianellinae
Subtaxa: Eulithidium Tricolia
Ecology: epifaunal grazer
Distribution:
• Quaternary of the Bahamas (1 collection), Cayman Islands (3), China (5), Ecuador (1), France (1), Haiti (2), Italy (2), Jamaica (1), the Marshall Islands (1), Mexico (6), Portugal (2), South Africa (1), Spain (3), Tonga (1), United States (43: California, Florida), Venezuela (2)
• Pliocene to Pleistocene of South Africa (2)
• Pliocene of Costa Rica (2), Greece (1), Italy (4), Jamaica (3), South Africa (2), Spain (5), United States (1: California), Venezuela (6)
• Miocene of Austria (2), Fiji (1), France (1), Italy (2), the Marshall Islands (2), Panama (4), Poland (1), Slovakia (3), South Africa (1), United States (8: Florida)
• Oligocene to Miocene of United States (1: Florida)
• Oligocene of Germany (1)
• Eocene of Australia (2), France (1), Panama (2), the United Kingdom (1)
• Paleocene of Puerto Rico (1)
Total: 135 collections including 173 occurrences