Gastropoda - Sorbeoconcha - Provannidae
Synonyms: Pseudoninidae Bertolaso and Palazzi 1994, Pseudonininae Bertolaso and Palazzi 1994
Parent taxon: Abyssochrysoidea according to P. Bouchet et al. 2017
See also Amano and Little 2014, Bouchet et al. 2005, Kiel 2006 and Saether et al. 2010
Sister taxa: Abyssochrysidae, Hokkaidoconchidae, Paskentanidae
Subtaxa: Desbruyeresia Provanna Pseudonina
Type: Pseudonina
Ecology: epifaunal
Distribution:
• Quaternary of United States (1: California collection)
• Miocene of Japan (3), New Zealand (1), Trinidad and Tobago (1)
• Oligocene of Japan (1), United States (5: Washington)
• Eocene to Oligocene of United States (1: Washington)
• Eocene of United States (3: Washington)
• Cretaceous of Japan (1)
Total: 17 collections including 22 occurrences