Scaphopoda - Gadilida - Gadilidae
Parent taxon: Gadilidae according to P. D. Reynolds and G. Steiner 2008
Sister taxa: Calstevenus, Gadilopsis, Siphonodentaliinae
Subtaxa: Bathycadulus Cadulus Costentalina Gadila Sulcogadila
Ecology: slow-moving shallow infaunal deposit feeder
Distribution:
• Quaternary of Australia (1 collection), Costa Rica (4), Ecuador (1), Italy (1), Jamaica (1), Panama (2), United States (15: California, Florida)
• Pliocene of Costa Rica (6), Ecuador (1), Italy (1), Jamaica (3), Japan (1), Mexico (1), Panama (13), United States (13: California, Florida, North Carolina, South Carolina, Virginia), Venezuela (4)
• Miocene of Australia (5), Belgium (1), the Dominican Republic (4), Ecuador (1), Germany (20), Grenada (2), Indonesia (1), the Netherlands (1), New Zealand (2), Panama (55), Slovakia (1), Trinidad and Tobago (2), United States (24: Delaware, Florida, Maryland, New Jersey), Venezuela (1)
• Oligocene of Denmark (1), Haiti (1), Hungary (2), Panama (1), Trinidad and Tobago (1), United States (16: Mississippi, Washington)
• Eocene of Antarctica (3), Colombia (1), Mexico (4), the United Kingdom (2), United States (169: Alabama, California, Louisiana, Maryland, Mississippi, Oregon, Texas, Virginia, Washington)
• Paleocene to Eocene of Australia (1)
• Paleocene of Australia (2), Denmark (1), Germany (1), Greenland (1), Mexico (1), United States (44: Alabama, Louisiana, Maryland, Texas, Virginia)
• Cretaceous of Canada (1: Alberta), Germany (1), United States (83: Alabama, Arizona, Arkansas, California, Delaware, Georgia, Kansas, Maryland, Mississippi, New Mexico, North Carolina, Oregon, Tennessee, Texas)
Total: 525 collections including 585 occurrences