Osteichthyes - Synapsida - Sphenacodontidae

Parent taxon: Sphenacodontinae according to R. R. Reisz 1986

See also Carroll 1988 and Carroll et al. 1972

Sister taxa: Bathygnathus, Ctenospondylus, Dimetrodon, Neosaurus, Sphenacodon

Subtaxa: Macromerion schwartzenbergii

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Ecology:

Distribution: found only at Kounov, Rakovnik District (Carboniferous of Czech Republic)

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Specimen images are retrieved through the ePANDDA API.