Gastropoda - Bellerophontida - Pterothecidae
Full reference: W. Wenz. 1938. Handbuch der Paläozoologie; Gastropoda. Handbuch der Paläozoologie 1-240
Parent taxon: Bellerophontoidea according to P. Bouchet et al. 2017
See also Bouchet et al. 2005 and Golikov and Starobogatov 1975
Sister taxa: Bellerophontidae, Blodgettinotus, Bucanellidae, Bucaniidae, Cymbulariidae, Euphemitidae, Knightitidae, Plectonotidae, Sinuitidae, Temnodiscidae, Thoralispira, Yochelsoniidae
Subtaxa: Carinaropsinae Pedasiolinae Pterothecinae
Type: Pterothecinae
Ecology: epifaunal detritivore
Distribution:
• Givetian of France (3 collections)
• Devonian of the Czech Republic (1), Germany (2), United States (12: Nevada, New York, Ohio)
• Silurian of Canada (1: Nova Scotia), the Czech Republic (2), Spain (1), the United Kingdom (21)
• Ordovician of Bolivia (1), Canada (17: Ontario, Quebec), the Czech Republic (2), Estonia (3), the United Kingdom (8), United States (59: Illinois, Illinois, Iowa, Indiana, Kentucky, Minnesota, Missouri, New York, Ohio, Tennessee)
Total: 133 collections including 146 occurrences