Gastropoda - Murchisoniina - Porcelliidae
Full reference: K. A. von Zittel. 1895. Grundzuge der Palaeontologie 1-971
Parent taxon: Porcelliidae according to P. Bouchet et al. 2005
See also Frýda 1997, Frýda 2004 and Gischler et al. 2004
Sister taxa: Agnesiinae, Blodgettina, Bohemipleura, Cassianocirrinae, Faxetrochus, Kokenella, Minervaenema, Pavlodiscinae, Pleurotobembex, Quadricarina
Subtaxa: Barrandecirrus Coloniacirrus Martinidiscus Paraporcellia Porcellia Zlatokonia
Type: Porcellia
Ecology: slow-moving epifaunal detritivore
Distribution:
• Triassic of Italy (1 collection)
• Permian of China (4), Greece (1), Japan (2), the Russian Federation (4), Thailand (1), Tunisia (1)
• Carboniferous of Ireland (1), Poland (1), the United Kingdom (4), United States (6: Illinois, Iowa, New Mexico, Ohio)
• Devonian of Canada (3: Manitoba, Yukon), Czechia (1), Germany (12), Poland (3), the United Kingdom (2), United States (4: Iowa, Nevada, New York)
• Silurian of Czechia (4)
Total: 55 collections including 63 occurrences