Gastropoda - Heterostropha - Streptacididae
Alternative spelling: Streptacedidae
Full reference: J. B. Knight. 1931. The gastropods of the St. Louis, Missouri, Pennsylvanian outlier: Aclisina and Streptacis. Journal of Paleontology 5(1):1-15
Parent taxon: Streptacidoidea according to A. Nützel and C. Ketwetsuriya 2016
See also Bandel 1996, Bandel 2002, Erwin 1988, Golikov and Starobogatov 1975, Knight et al. 1960 and Ponder and Warén 1988
Sister taxa: Cassianebalidae, Donaldinidae, Heterosubulitidae, Rigauxia
Subtaxa: Laxella Mapesella Streptacis
Ecology: epifaunal
Distribution:
• Cretaceous of United States (1: Mississippi collection)
• Triassic of China (2)
• Permian of China (9), Greece (5), Japan (1), Malaysia (1), the Russian Federation (7), Thailand (3), United States (13: Alaska, Nevada, Texas)
• Carboniferous of Australia (1), Germany (1), Japan (1), United States (5: Missouri, New Mexico, Texas)
Total: 50 collections including 61 occurrences