Classification of Houde 1988
Superor. Palaeognathae Pycraft 1900
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Invalid names: Lithornithiformes Houde 1988 [empty]
Fm. Tinamidae Gray 1840 [tinamou]
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Fm. Struthionidae Vigors 1825 [ostrich]
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G. Struthio Linnaeus 1758 [ostrich]
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†Struthio asiaticus Milne-Edwards 1871 [Asian ostrich]
†Struthio bradydactylus Burchak-Abramovich 1939
†Struthio chersonensis Brant 1873
†Struthio orlovi Kurochkin and Lungu 1970
†Struthio wimani Lowe 1931
Fm. †Opisthodactylidae Ameghino 1895
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Fm. Rheidae Bonaparte 1849 [rhea]
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Fm. Dromaiidae Richmond 1908
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Fm. †Dromornithidae Fürbringer 1888
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Fm. †Aepyornithidae Bonaparte 1853 [elephant bird]
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Fm. †Eleutherornithidae Wetmore 1951
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