Tergomya - Tryblidiida - Protoconchoididae
Synonym: Patelliconidae Fryda 1998
Full reference: G. Geyer. 1994. Middle Cambrian mollusks from Idaho and early conchiferan evolution. New York State Museum Bulletin 481(1):69-86
Parent taxon: Hypseloconina according to P. J. Wagner 2023
See also Bouchet et al. 2005, Bouchet et al. 2017, Geyer 1994 and Jacquet and Brock 2016
Sister taxa: none
Subtaxa: Galeacalvus Kornoutella Mytoconula Patelliconus Protoconchioides
Ecology: epifaunal grazer
Distribution:
• Dobrotivian of the Czech Republic (1 collection)
• Ordovician of the Czech Republic (7), Norway (1)
• Solvan of Canada (5: British Columbia)
• Delamaran of Canada (3: British Columbia), United States (2: Idaho, Virginia)
• Cambrian of Australia (4), Canada (1: British Columbia), United States (2: Arizona, Vermont)
Total: 26 collections including 27 occurrences