Classification of Bruton et al. 1984

Or. †Orthida Schuchert and Cooper 1932
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Subor. †Clitambonitidina Opik 1934
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Superfm. †Gonambonitacea Schuchert and Cooper 1931
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Fm. †Gonambonitidae Schuchert and Cooper 1931
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Invalid names: Gonambonitinae Schuchert and Cooper 1931 [empty]
Subor. †Orthidina Schuchert and Cooper 1932
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Superfm. †Orthacea Woodward and Schuchert 1852
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Fm. †Orthidae Woodward 1852
Fm. †Agnostidae M'Coy 1849
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Invalid names: Ptychagnostinae Kobayashi 1939 [empty]
Fm. †Andrarinidae Raymond 1937
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G. †Andrarina Raymond 1937
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Andrarina costata Angelin 1854