Gastropoda - Trochoidea - Turbinidae
Alternative spelling: Pupillaria
Parent taxon: Margarites according to S. Kiel 2006
See also Sepkoski 2002 and Squires and Goedert 1991
Sister taxa: Margarites (Atira), Margarites (Margarites), Margarites margaritula, Margarites semiornata, Margarites sericeus, Margarites striatus, Margarites vahlii
Subtaxa: Margarites (Pupillaria) columbiana Pupillaria pupilla
Distribution:
• Quaternary of Canada (1: British Columbia collection), United States (16: California, Oregon)
• Pliocene of United States (2: California)
• Miocene of United States (4: Alaska, California)
• Oligocene of United States (3: Washington)
• Eocene of the Russian Federation (2), United States (1: Washington)
Total: 29 collections including 32 occurrences