Species
Extinct

Pteropelyx grallipes

nomen dubium, species not entered Hadrosauridae
Cope 1889
This taxon is considered nomen dubium, species not entered of the valid taxon Hadrosauridae according to the Paleobiology Database. See the page for Hadrosauridae
Bibliography
Original description
E. D. Cope. 1889. Notes on the Dinosauria of the Laramie. The American Naturalist 23:9o4-906