†subfamily Ripidiorhynchinae Savage 1996 (lamp shell)

Rhynchonellata - Rhynchonellida - Trigonirhynchiidae

Parent taxon: Trigonirhynchiidae according to A. Williams et al. 2002

Sister taxa: Ancillotoechia, Hemitoechiinae, Ptychomalotoechia, Rostricellulinae, Trigonirhynchiinae, Virginiatinae

Subtaxa: Cyphoterorhynchus Hemiplethorhynchus Pseudosinotectirostrum Ripidiorhynchus

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Type: Ripidiorhynchus

Ecology: stationary epifaunal suspension feeder

Distribution:

• Carboniferous of Canada (14: Alberta collections), China (1), United States (8: Iowa)

• Devonian to Carboniferous of France (1)

• Devonian of Afghanistan (15), France (15), Iran (13), Libya (3), Poland (1), the Russian Federation (5), United States (3: Iowa, New York)

Total: 79 collections including 95 occurrences

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