Gastropoda - Neogastropoda - Ptychatractidae
Full reference: S. N. Nielsen. 2005. Exilia alanbeui, a new species from the Neogene of central Chile: the first record of Exilia (Gastropoda: Ptychatractidae) from South America. The Nautilus 119(4):153-156
Parent taxon: Turbinelloidea according to P. Bouchet et al. 2017
See also Bouchet et al. 2005 and Nielsen 2005
Sister taxa: Columbariidae, Costellariidae, Turbinellidae, Volutomitridae
Subtaxa: Exilia
Ecology: epifaunal carnivore
Distribution:
• Miocene of Chile (4 collections), New Zealand (3)
• Oligocene of United States (5: Alaska, California, Oregon, Washington)
• Eocene of Mexico (1), New Zealand (2), the Russian Federation (3), United States (51: Alabama, California, Oregon, Washington)
• Paleocene of Austria (1), Denmark (6), Greenland (2), Poland (1), United States (33: Alabama, California, Mississippi, Texas)
• Cretaceous of Germany (1), the Russian Federation (2), United States (2: California, Tennessee)
Total: 117 collections including 124 occurrences