Species
Extinct

Cionodon arctatus

nomen dubium, species not entered Hadrosauridae
(Cope 1874)
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. 1874. Report on the stratigraphy and Pliocene vertebrate paleontology of northern Colorado. Bulletin of the United States Geological and Geographical Survey of the Territories 1(1):9-22