†subfamily Metaxiinae Marshall 1977 (snail)
Gastropoda - Sorbeoconcha - Triphoridae
Parent taxon: Triphoridae according to P. Bouchet et al. 2005
See also Ponder and Warén 1988 and Wilson 1993
Sister taxa: Biforina, Cautotriphora, Costatophora, Inella, Iniforinae, Marshallora, Mastoniaeforis, Monophorus, Norephora, Triforinae, Triphora, Triphorinae, Viriola
Ecology: epifaunal carnivore
Distribution:
• Quaternary of Ecuador (1 collection), Mexico (1), Panama (1), United States (9: California)
• Pliocene of Italy (1), the United Kingdom (1)
• Miocene of France (1)
Total: 15 collections including 17 occurrences