Parent taxon: Hypsogastropoda according to P. Bouchet et al. 2017
See also Harzhauser 2004
Sister taxa: Abyssochrysoidea, Capuloidea, Latrogastropoda, Littorinimorpha, Littorinoidea, Lyocyclidae, Naticoidea, Rissooidea, Settsassiidae, Triphoroidea, Truncatelloidea, Vermetoidea, Weeksiidae
Subtaxa: Hipponicidae
Ecology: epifaunal
Distribution:
• Quaternary of Australia (5 collections), the Bahamas (3), Bermuda (3), Cayman Islands (3), Costa Rica (2), Cuba (1), Djibouti (1), Ecuador (4), Jamaica (1), Japan (4), Kenya (2), Mexico (34), New Zealand (2), Peru (1), Spain (2), United States (65: California, Florida, Hawaii), Venezuela (1)
• Pliocene of the Dominican Republic (4), Ecuador (2), Fiji (3), Indonesia (2), Jamaica (6), Japan (2), Mexico (1), Portugal (1), Trinidad and Tobago (2), United States (4: California, Florida), Venezuela (1)
• Miocene to Pliocene of the Dominican Republic (1)
• Miocene of Algeria (5), Argentina (2), Australia (2), Austria (1), the Dominican Republic (6), Fiji (2), France (4), Grenada (2), India (2), Italy (7), Japan (1), the Marshall Islands (14), Panama (2), Poland (1), South Africa (1), Trinidad and Tobago (1), United States (9: California, Florida), Vanuatu (1), Venezuela (1)
• Oligocene to Miocene of United States (2: Florida)
• Oligocene of Argentina (3), Germany (1), Iran (1), New Zealand (3), Pakistan (1)
• Eocene of Bulgaria (1), Egypt (2), France (10), Germany (2), Italy (1), New Zealand (1), Panama (1), United States (99: Alabama, Florida, Louisiana, Mississippi, South Carolina, Texas, Virginia, Washington)
• Paleocene of Belgium (1), Denmark (2), Egypt (1), France (1), Greenland (3), Nigeria (1), Poland (2), Puerto Rico (1), United States (1: California)
• Cretaceous of Angola (1), the United Kingdom (1), United States (2: California)
• Jurassic of Poland (1)
• Silurian of Sweden (1)
Total: 374 collections including 444 occurrences