Dinosaur: "Caenagnathus" sternbergi
Cretaceous: 83.6–72.1 Ma
Period
Epoch: Late Cretaceous
Stage: Middle-Late Campanian
Years: 83.6–72.1 Ma
Details
Status: nomen dubium
Author: Cracraft
Year: 1971
Distribution
Area: North America
Country: Canada
Region: Alberta
Formation: Dinosaur Park
Sources
Material: Posterior end of right mandibular ramus, other material ?
References: Cracraft,J. (1971). “Caenagnathiformes: Cretaceous birds convergent in jaw mechanism to dicynodont reptiles”.
________________________
