Classification of Langston 1965
Cl. Reptilia Laurenti 1768 [reptile]
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Subcl. †Pelycosauria Cope 1878 [pelycosaur]
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Fm. †Eothyrididae Romer and Price 1940
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G. †Baldwinonus Romer and Price 1940
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†Baldwinonus dunkardensis Romer 1952
†Baldwinonus trux Romer and Price 1940