Gastropoda - Bellerophontida - Pterothecidae
Full reference: W. Wenz. 1938. Handbuch der Paläozoologie; Gastropoda. Handbuch der Paläozoologie 1-240
Parent taxon: Pterothecidae according to P. Bouchet et al. 2017
See also Bouchet et al. 2005, Knight et al. 1960, Li et al. 2024 and Wahlman 1992
Sister taxa: Carinaropsinae, Pedasiolinae
Subtaxa: Cyclotheca Pterotheca
Type: Pterotheca
Ecology: epifaunal detritivore
Distribution:
• Silurian of China (1 collection), Czechia (2), Spain (1), the United Kingdom (9)
• Ordovician of Canada (16: Ontario, Quebec), Czechia (2), Estonia (3), the United Kingdom (6), United States (20: Illinois, Illinois, Iowa, Indiana, Kentucky, Minnesota, Missouri, New York, Ohio, Tennessee)
Total: 60 collections including 64 occurrences