Reptilia - Dinosauria - Anchisauripodidae

Synonym: Leptonyx Hitchcock 1865 [replaced name]

Full reference: R. S. Lull. 1904. Fossil footprints of the Jura-Trias of North America. Memoirs of the Boston Society of Natural History 5(11):461-557

Parent taxon: Anchisauripodidae according to H. Haubold 1971

Sister taxa: Coelurosaurichnus, Jeholosauripus, Paracoelurosaurichnus, Saltopoides, Schizograllator, Swinnertonichnus, Talmontopus

Subtaxa: Stenonyx lateralis

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Ecology: ground dwelling carnivore