Reptilia - Eosuchia - Sphenodontidae
Full reference: S. Apesteguía and F. E. Novas. 2003. Large Cretaceous sphenodontian from Patagonia provides insight into lepidosaur evolution in Gondwana. Nature 425:609-612
Parent taxon: Sphenodontidae according to F. L. Agnolín et al. 2023
See also Apesteguia et al. 2012, Apesteguía and Novas 2003 and Herrera-Flores et al. 2018
Sister taxa: Ankylosphenodon, Brachyrhinodontinae, Cynosphenodon, Derasmosaurus, Eilenosaurus, Elachistosuchus, Glevosaurus, Leptosaurus, Oenosaurus, Paleollanosaurus, Piocormus, Scharschengia, Sigmala, Simila, Sphenodon, Sphenodontinae, Sphenovipera, Theretairus, Zapatadon
Subtaxa: Alamitosphenos Eilenodontinae Fraserosphenodon Kawasphenodon Priosphenodon Sphenotitan Trullidens
Ecology:
Distribution: