Amniota - Synapsida - Varanopidae

Synonyms: Basicranodon Vaughn 1958, Eumatthevia Broom 1930

Full reference: S. W. Williston. 1915. A New Genus and Species of American Theromorpha: Mycterosaurus longiceps. Journal of Geology 23(6):554-559

Parent taxon: Mycterosaurinae according to H. C. Maddin et al. 2006

Sister taxon: Mesenosaurus

Subtaxa: Mycterosaurus longiceps, Mycterosaurus smithae

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Type: Mycterosaurus longiceps

Ecology: