Family Siphonaliidae Finlay 1928 (snail)
Gastropoda - Neogastropoda - Siphonaliidae
Parent taxon: Buccinoidea according to L. V. Titova 1994
Sister taxa: none
Subtaxa: none
Ecology: epifaunal carnivore
Distribution:
• Quaternary of United States (2: California collections)
• Pliocene of Japan (2), United States (6: California)
• Miocene to Pliocene of United States (7: California)
• Miocene of United States (33: Alaska, California, Oregon, Washington)
• Oligocene to Miocene of United States (1: California)
• Oligocene of United States (57: California, Oregon, Washington)
• Eocene to Oligocene of United States (1: Oregon)
• Eocene of the Russian Federation (1), United States (44: California, Oregon, Washington)
Total: 154 collections including 165 occurrences