Gastropoda - Sorbeoconcha - Iravadiidae
Parent taxon: Truncatelloidea according to F. Criscione and W. F. Ponder 2013
See also Beesley 1998, Bouchet et al. 2005, Marquet 1997, Ponder and Warén 1988 and Wienrich 2001
Sister taxa: Adeorbiidae, Amnicolidae, Anabathridae, Assimineidae, Caecidae, Calopiidae, Clenchiellidae, Elachisinidae, Emmerciidae, Falsicingulidae, Hydrobiidae, Hydrococcidae, Pomatiopsidae, Rissoacea, Stenothyridae, Tornidae, Truncatellidae, Vitrinellidae
Subtaxa: Acliceratia Bralitzia Cavilabium Ceratia Chevallieria Iravadia Kalchreuthia Nozeba Pasitheola Rhombostoma Rissopsis
Ecology: epifaunal
Distribution:
• Quaternary of Italy (1 collection)
• Pliocene of Belgium (2), Spain (1)
• Miocene of France (1), Germany (4), Italy (1), the Marshall Islands (7), New Zealand (2), Spain (1)
• Oligocene of France (3)
• Eocene of the United Kingdom (1), United States (6: Alabama, Texas)
• Paleocene of Greenland (1), the United Kingdom (1), United States (2: Maryland, Texas)
• Cretaceous of Poland (10), United States (11: Alabama, Georgia, Mississippi)
• Jurassic of Germany (49), Poland (26)
Total: 130 collections including 145 occurrences