Reptilia - Crocodylia

Full reference: J. Leidy. 1856. Notice of remains of extinct vertebrated animals discovered by Professor E. Emmons. Proceedings of the Academy of Natural Sciences of Philadelphia 8:255-257

Parent taxon: Crocodilia according to F. A. Lucas 1902

Sister taxa: Alligatoroidea, Amphicoelia, Archaeosuchidae, Brachygnathosuchus, Brevirostres, Coelospondilia, Crocodyloidea, Dijaquesopus, Diplosaurus, Episcopopus, Gavialoidea, Laiyangpus, Lianghusuchus, Machinosaurus, Nihilichnus, Peipesuchus, Pinacosuchus, Procoelia, Rhabdosauridae, Rhytisodon, Saurodesmus, Stenosaurus, Tienosuchus, Trialestia

Subtaxa: Omosaurus perplexus

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Type: Omosaurus perplexus

Ecology: carnivore