Gastropoda - Heterostropha - Acteonidae
Parent taxon: Actaeonidae according to L. W. Ward and B.W. Blackwelder 1987
See also Addicott 1970, Harris and Palmer 1947 and Sohl 1964
Sister taxa: Acteon, Acteonellinae, Acteoninae, Bullina, Crenilabium, Cylindrobullinae, Japonactaeon, Lithophysema, Nucleopsinae, Ongleya, Pirsila, Pupa, Rictaxis, Semiactaeon, Solidula, Tenuiactaeon, Tornatellaea, Triploca, Vasjugania, Wangacteon
Subtaxa: Cylindrotruncatum Goniocylichna Scobinidola Sulcularia Volvula Zikkuratia
Ecology: epifaunal carnivore
Distribution:
• Quaternary of United States (3: California, Florida collections)
• Pliocene of Jamaica (1)
• Miocene of United States (19: Florida)
• Paleocene of United States (1: Maryland)
• Cretaceous of Australia (1), United States (28: Alabama, Arizona, Georgia, Mississippi, Tennessee, Texas)
Total: 53 collections including 68 occurrences