Reptilia - Avetheropoda - Dryptosauridae
Full reference: O. C. Marsh. 1890. Additional characters of the Ceratopsidae, with notice of new Cretaceous dinosaurs. American Journal of Science 39:418-426
Parent taxon: Carnosauria according to Z. Dong 1992
See also Carroll 1988, Hay 1902, Huene 1927, Marsh 1890, Marsh 1895, Marsh 1896, Matthew and Brown 1922, Paul 1988, Russell 1984 and Steel 1970
Sister taxa: Abelichnus, Aublysodon lateralis, Aublysodontidae, Bosiutrisauropus, Changpeipus, Itemiridae, Kleitotrisauropus, Mafatrisauropus, Shanshanosauridae, Streptospondylidae
Subtaxa: none
Ecology: ground dwelling carnivore
Distribution:
• Cretaceous of United States (3: Delaware, New Jersey collections)
Total: 3 collections each including a single occurrence