Classification of Efremov 1946

Subcl. Batrachosauria Efremov 1946
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Subor. †Seymouriamorpha Watson 1917
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Fm. †Lanthanosuchidae Efremov 1940
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G. †Lanthanosuchus Efremov 1940
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†Lanthanosuchus watsoni Efremov 1946