to the same individual. The remaining specimens were catalogued in fifty separate entries at Yale's Peabody Museum although they could have been from as few as three individuals.

Later study by Ostrom and Grant E. Meyer analyzed their own material as well as Brown's "Daptosaurus" in detail and found them to be the same species. Ostrom first wrote the manuscript by December 1968 and officially published his findings in February 1969, giving all the referred remains the new name of Deinonychus antirrhopus. The specific name