The International Commission on Zoological Nomenclature has conserved the generic name DimetrodonCope, 1878 by giving it precedence over its senior subjective synonym BathygnathusLeidy, 1853.
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20 December 2019
Opinion 2446 (Case 3695) – Dimetrodon Cope, 1878 (Synapsida, Sphenacodontidae): name conserved
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Bathygnathus
Bathygnathus borealis
Canada
Dimetrodon
nomenclature
Permian
Sphenacodontidae