Species
Extinct

Cionodon stenopsis

nomen dubium, species not entered Hadrosauridae
Cope 1875
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. 1875. On the transition beds of the Saskatchewan district. Proceedings of the Academy of Natural Sciences of Philadelphia 27:2-3