Vertebrata - Cotylosauria - Tritylodontidae

Full reference: E. Hennig. 1922. Die Säugerzähne des württembergischen Rhät-Lias-Bonebeds. Neues Jahrbuch für Mineralogie, Geologie und Paläontologie 46:181-267

Parent taxon: Tritylodontidae according to Z. Luo and A. Sun 1993

Sister taxa: Bienotherium, Bienotheroides, Bocatherium, Chalepotherium, Dianzhongia, Dinnebitodon, Kayentatherium, Lufengia, Masitisitherium, Polistodon, Stereognathus, Tritylodon, Tritylodontoides, Yuanotherium, Yunnanodon

Subtaxa: Oligokyphus biserialis, Oligokyphus lufengensis, Oligokyphus major, Oligokyphus minor, Oligokyphus triserialis

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Type: Oligokyphus triserialis

Ecology: