Rhynchonellata - Rhynchonellida - Rhynchonellidae
Parent taxon: Rhynchonellidae according to A. Williams et al. 2002
Sister taxa: Bilaminellinae, Davanirhynchiinae, Grestenella, Hypothyris, Ivanoviellinae, Nucleusorhynchiinae, Praecyclothyrinae, Rhynchonellinae, Striirhynchiinae, Uralorhynchiinae
Subtaxa: Abrekia Aorhynchia Caledorhynchia Cuneirhynchia Paranudirostralina Piarorhynchia Ptilorhynchia Rutorhynchia Sakawairhynchia Sinuplicorhynchia Tainuirhynchia Talovkorhynchia
Type: Piarorhynchia
Ecology: stationary epifaunal suspension feeder
Distribution:
• Cretaceous of Antarctica (9 collections), Mexico (2), the Russian Federation (6), Svalbard and Jan Mayen (2)
• Heterian of New Zealand (1)
• Temaikan of New Caledonia (1), New Zealand (8)
• Jurassic of Austria (19), Canada (1: British Columbia), China (1), France (14), Germany (24), Greece (1), Greenland (1), Hungary (19), Italy (3), New Caledonia (8), New Zealand (112), Portugal (3), the Russian Federation (10), Serbia and Montenegro (1), Slovakia (3), Spain (3), Svalbard and Jan Mayen (1), Tunisia (2), Turkey (3), Ukraine (1), the United Kingdom (39), United States (1: California)
• Kaihikuan of New Zealand (4)
• Triassic to Jurassic of New Zealand (1)
• Triassic of Argentina (3), Austria (2), Canada (3: British Columbia), China (11), Hungary (2), Italy (9), Japan (1), New Caledonia (28), New Zealand (510), the Russian Federation (56), Svalbard and Jan Mayen (1), United States (2: Alaska, California)
Total: 932 collections including 1001 occurrences