†subfamily Trigonirhynchiinae Schmidt 1965 (lamp shell)

Rhynchonellata - Rhynchonellida - Trigonirhynchiidae

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

See also Jin and Chatterton 1997 and Savage and Goodwin 1998

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

Subtaxa: Agarhyncha Aratoechia Astua Cupularostrum Hercotrema Iberirhynchia Kirkirhynchus Lissopleura Macropotamorhynchus Microsphaeridiorhynchus Moorefieldella Morphorhynchus Myrmirhynx Nasonirhynchia Nekhoroshevia Oligoptycherhynchus Oxypleurorhynchia Savagerhynchus Sinotectirostrum Stenorhynchia Stenorhynchites Sufetirhyncha Tetratomia Trigonirhynchia Wilsoniella

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Ecology: stationary epifaunal suspension feeder

Distribution:

• Carboniferous of Canada (30: Alberta collections), Libya (7), United States (9: Arkansas, Iowa, Montana, Nevada, Oklahoma, Texas)

• Devonian of Argentina (1), Austria (1), Canada (7: Alberta, British Columbia, Yukon), China (2), the Czech Republic (4), France (4), Germany (8), Libya (21), Mauritania (1), Mongolia (1), Peru (2), the Russian Federation (5), Spain (3), United States (274: Alaska, Arizona, Indiana, Iowa, Maryland, Michigan, Missouri, Montana, Nevada, New York, Ohio, Oklahoma, Pennsylvania, Virginia, West Virginia, West Virginia, Maryland, Pennsylvania)

• Silurian to Devonian of United States (1: Oklahoma)

• Silurian of Austria (1), Canada (9: British Columbia, Northwest Territories, Quebec), the Czech Republic (25), Estonia (5), Lithuania (18), Norway (7), Sweden (10), Ukraine (3), the United Kingdom (36), United States (5: California, Indiana, New York, Virginia, West Virginia)

Total: 500 collections including 539 occurrences

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