Theropod, Marsb, 1881

John S. McIntosh, 1981, Annotated catalogue of the dinosaurs (Reptilia, Archosauria) in the collections of Carnegie Museum of Natural History, Bulletin of Carnegie Museum of Natural History 18, pp. 1-67 : 8

Small Theropod Genus

Under study by J. Madsen

21704 Cranium, cervicals 1-6, five articulated dorsals. The remainder of this specimen was transferred to the Royal Ontario Museum. It came from the Morrison Formation on the west side of Nielsen Gulch northeast of the Carnegie Museum Quarry at Dinosaur National Monument , Uintah County, Utah.

Collected by Douglass et al.