Bivalvia - Ostreida - Ostreidae
Parent taxon: Crassostreinae according to R. L. Squires 2018
See also Bouchet et al. 2010 and Carter et al. 2011
Sister taxa: Flemingostreini, Helvetostrea, Ostrea tayloriana, Saccostrea, Striostreini, Talonostrea, Turkostreini
Subtaxa: Acutostrea
Ecology: stationary epifaunal suspension feeder
Distribution:
• Miocene of United States (2: California collections)
• Oligocene of United States (3: California, Washington)
• Eocene of United States (46: California, Oregon, Washington)
• Paleocene to Eocene of United States (3: California)
• Paleocene of the Netherlands (1), United States (2: California)
• Cretaceous of Afghanistan (2), Belgium (1), Egypt (6), France (1), Germany (3), Kazakhstan (3), Libya (1), the Netherlands (2), Niger (5), Oman (1), Pakistan (1), Poland (6), Turkmenistan (1), Ukraine (1), United States (112: Alabama, Arkansas, Delaware, Georgia, Maryland, Mississippi, New Jersey, New Mexico, North Carolina, South Carolina, Tennessee, Texas, Wyoming)
Total: 203 collections including 206 occurrences