currently a nomen nudum. "Orcomimus" was a bipedal theropod, but the dinosaur is known from only a pelvis and a hindlimb. "Orcomimus" is thought to be relatively...

the genera Struthiomimus and Ornithomimus. An undescribed animal named "Orcomimus" could be from the formation. Troodontids are only represented by Pectinodon...

Formation Genus Species State Stratigraphic position Material Notes Images "Orcomimus" unnamed South Dakota One partial skeleton. An ornithomimid; nomen nudum...

Rhabdodon, or an ankylosaurian Oohkotokia Opisthocoelicaudia Oplosaurus "Orcomimus" – nomen nudum Orinosaurus – junior synonym (unneeded replacement name)...

fowleri: May be ancestral to Triceratops or a synonym of Eotriceratops. "Orcomimus": Potentially attributable to any of the ornithomimosaur taxa known from...

undescribed Gigantoraptor-like ichnotaxon, the ornithomimids Struthiomimus, "Orcomimus", and Ornithomimus, the troodontids Paronychodon, Troodon, Pectinodon...