Protozoa - Spumellaria - Parvivaccidae
Parent taxon: Parvivaccidae according to P. De Wever et al. 2001
Sister taxa: Heleninae, Leugeoninae, Parvivaccinae
Subtaxa: Acaeniotyle Acaeniotylopsis Acastea Acusten Nolita Novitripus Praeconosphaera
Type: Acaeniotyle
Ecology: passively mobile planktonic omnivore
Distribution:
• Cretaceous of Albania (3 collections), Austria (10), Azerbaijan (3), Canada (2: Nunavut), Germany (3), Greece (5), Italy (83), North Pacific (1), Oman (20), the Philippines (1), Poland (2), the Russian Federation (7), Trinidad and Tobago (2), Turkey (3)
• Jurassic to Cretaceous of Austria (3), Germany (1), Italy (3)
• Jurassic of Albania (1), Antarctica (17), Argentina (1), Austria (21), Canada (6: British Columbia), Germany (3), Greece (1), Italy (21), Japan (16), Mexico (18), New Zealand (1), Nicaragua (1), Oman (6), the Philippines (2), the Russian Federation (7), Slovakia (7), Spain (4), Switzerland (2), United States (10: California)
Total: 297 collections including 718 occurrences