Superfamily Neomphaloidea McLean 1981 (snail)
Parent taxon: Neomphalida according to P. Bouchet et al. 2017
See also Bouchet et al. 2005, Goedert and Benham 1999 and Kaim et al. 2014
Sister taxa: none
Subtaxa: Melanodrymiidae Neomphalidae Peltospiridae
Ecology: epifaunal
Distribution:
• Quaternary of United States (1: California collection)
• Oligocene of United States (3: Washington)
• Eocene to Oligocene of United States (1: Washington)
• Eocene of United States (5: Washington)
• Cretaceous of Gabon (3), New Zealand (1), United States (5: California)
• Jurassic of United States (1: California)
Total: 20 collections including 24 occurrences