Gastropoda - Neogastropoda - Perissityidae
Full reference: W. P. Popenoe and L. R. Saul. 1987. Evolution and classification of the Late Cretaceous-Early Tertiary gastropod Perissitys. Contributions in Science 380:1-37
Parent taxon: Buccinaceae according to W. P. Popenoe and L. R. Saul 1987
See also Bouchet et al. 2005 and Saul 1988
Sister taxa: none
Subtaxa: Christitys Cydas Forsia Murphitys Nekewis Perissitys Pseudocymia Zinsitys
Type: Perissitys
Ecology: epifaunal carnivore
Distribution:
• Oligocene of United States (2: Washington collections)
• Eocene of Japan (1), the Russian Federation (1), United States (11: California, Oregon, Washington)
• Paleocene of Greenland (1), Mexico (1), United States (8: California, California )
• Cretaceous of Canada (4: British Columbia), Japan (2), Mexico (7), United States (111: Alaska, California, Washington)
Total: 149 collections including 177 occurrences