Family Amphitomariidae Bandel 1996 (snail)
Gastropoda - Heterostropha - Amphitomariidae
Parent taxon: Architectonicoidea according to B. W. Lauridsen and K. I. Schnetler 2014
Sister taxon: Architectonicidae
Subtaxa: Neamphitomaria
Ecology: epifaunal
Distribution:
• Paleocene of Denmark (1 collection)
• Cretaceous of United States (3: Mississippi, Texas)
Total: 4 collections including 8 occurrences