Alternative spelling: Craspedostomatacea
Parent taxon: Euomphalina according to P. J. Wagner 2023
See also Jeffery 2003 and Knight et al. 1960
Sister taxa: Anomphaloidea, Bridegeites, Euomphaloidea, Macluritoidea, Offlyeotrochus, Omphalotrochoidea, Ophiletoidea, Oriostomatoidea, Palaeotrochoidea, Platyceratoidea, Pseudophoroidea, Raphistomatoidea, Triassocirrus
Subtaxa: Codonocheilidae
Ecology: stationary epifaunal suspension feeder
Distribution:
• Jurassic of Hungary (1 collection), Italy (1), Morocco (1)
• Triassic of Chile (1), China (4), Hungary (37), Italy (28), Slovenia (1), United States (3: Utah)
• Permian of United States (1: Utah)
• Carboniferous of the United Kingdom (1)
• Devonian of Canada (1: Northwest Territories), China (1), Germany (1), Poland (1)
• Silurian of Canada (3: Ontario)
Total: 86 collections including 87 occurrences