Rhynchonellata - Rhynchonellida - Hebetoechiidae
Parent taxon: Hebetoechiidae according to A. Williams et al. 2002
See also Savage and Goodwin 1998
Sister taxa: Amsdenellinae, Beckmanniinae, Betterbergiinae, Glossinulininae, Hebetoechiinae
Subtaxa: Estonirhynchia Notoconchidium Sphaerirhynchia Tadschikia
Type: Sphaerirhynchia
Ecology: stationary epifaunal suspension feeder
Distribution:
• Devonian of Australia (10 collections), Canada (16: Northwest Territories, Nunavut), Mongolia (1), the Russian Federation (7), Tajikistan (1), Ukraine (3), United States (10: Nevada, Oklahoma, Tennessee), Uzbekistan (1), Vietnam (1)
• Jaani of Estonia (2), Lithuania (2)
• Niagaran of Canada (1: Québec)
• Silurian to Devonian of United States (1: Oklahoma)
• Silurian of Belarus (1), Canada (4: New Brunswick, Nova Scotia, Québec), China (2), the Czech Republic (1), Ireland (1), Latvia (1), Lithuania (8), Mexico (9), Poland (1), Sweden (20), Tajikistan (1), Ukraine (5), the United Kingdom (56), United States (11: Indiana, Iowa, Oklahoma, Tennessee, Wisconsin), Venezuela (2)
• Ordovician of China (1)
Total: 180 collections including 191 occurrences