Reptilia - Dinosauria - Piatnitzkysauridae

Full reference: J. H. Madsen, Jr. 1976. A second new theropod dinosaur from the Late Jurassic of east central Utah. Utah Geology 3(1):51-60

Parent taxon: Piatnitzkysauridae according to M. T. Carrano et al. 2012

Sister taxa: Condorraptor, Piatnitzkysaurus

Subtaxa: Marshosaurus bicentesimus

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Type: Marshosaurus bicentesimus

Ecology: ground dwelling carnivore