Classification of Bitner and Martinell 2001

Subor. †Terebratellidina Muir-Wood 1955
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Superfm. Kraussinoidea Dall 1870
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Fm. Kraussinidae Dall 1870
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G. Megerlia King 1850
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Megerlia eusticta Philippi 1836
Megerlia truncata Linnaeus 1767
Subor. Terebratulidina Waagen 1883
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Superfm. Terebratuloidea Gray 1840
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Fm. Terebratulidae Gray 1840
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Subfm. Gryphinae Sahni 1929
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G. Gryphus Megerle von Mühlfeld 1811
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Gryphus vitrea Born 1778
Subfm. Terebratulinae Gray 1840
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G. Terebratula Müller 1776
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Terebratula terebratula Linnaeus 1758
Cl. Rhynchonellata Williams et al. 1996
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Or. Rhynchonellida Kuhn 1949
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Superfm. †Rhynchonelloidea d'Orbigny 1847
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Fm. Basiliolidae Cooper 1959
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Subfm. †Aphelesiinae Cooper 1959
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G. †Aphelesia Cooper 1959
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Aphelesia bipartita Brocchi 1814