Gastropoda - Murchisoniina - Porcelliidae
Full reference: J. B. Knight. 1956. New families of Gastropoda. Journal of the Washington Academy of Sciences 46(2):41-42
Parent taxon: Porcelliidae according to P. J. Wagner 2023
See also Bouchet et al. 2005, Frýda 1998, Frýda 2004 and Knight et al. 1960
Sister taxa: Blodgettina, Bohemipleura, Cassianocirrinae, Faxetrochus, Kokenella, Minervaenema, Pavlodiscinae, Pleurotobembex, Porcelliinae, Quadricarina
Subtaxa: Agnesia Alaskiella Anoriostoma Anoriostomatini Antitrochus Enantiostoma Hesperiella Koneprusellia Krolmusium Paragnesia Pauquysia Pernericirrus Perryconcha Sasakiela Trochagnesia
Ecology: slow-moving epifaunal detritivore
Distribution:
• Triassic of Slovakia (1 collection)
• Permian of Thailand (1), United States (7: Texas)
• Carboniferous of Australia (11), Belgium (2), Poland (1), the United Kingdom (4), United States (1: Ohio)
• Devonian of Australia (6), Austria (1), Canada (3: Yukon), Czechia (3), Germany (6), the United Kingdom (2), United States (1: Alaska)
• Silurian of Czechia (1), Sweden (9)
Total: 60 collections including 72 occurrences