Classification of Gradinaru et al. 2006

Or. Rhynchonellida Kuhn 1949
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Fm. †Tetrarhynchiidae Ager 1965
G. †Burrirhynchia Owen 1962
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Burrirhynchia sigma Schloenbach 1867
Or. †Terebratulida Waagen 1883
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Fm. Cancellothyrididae Thomson 1926
Fm. †Capillithyrididae Cooper 1983
Fm. †Sellithyrididae Muir - Wood 1965
Fm. Terebrataliidae Richardson 1975
G. †Boubeithyris Cox and Middlemiss 1978
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Boubeithyris boubei d'Archiac 1847
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Capillithyris capillata Archiac 1847
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Gemmarcula canaliculata Roemer and d'Archiac 1840
G. †Harmatosia Cooper 1983
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Harmatosia crassa d'Archiac 1847
G. †Ovatathyris Owen 1988
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G. †Sellithyris Middlemiss 1959
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Sellithyris upwarnensis Walker 1870
G. Terebratulina d'Orbigny 1847
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