(en) Description of Prenoceratops pieganensis gen et sp. nov. (Dinosauria: Neoceratopsia) from the Two Medicine Formation of Montana. In: Journal of Vertebrate Paleontology. Bd. 24, Nr. 3, 2004, (ISSN0272-4634), S. 572–590, DOI10.1671/0272-4634(2004)024[0572:DOPPGE]2.0.CO;2
issn.org
portal.issn.org
(en) Description of Prenoceratops pieganensis gen et sp. nov. (Dinosauria: Neoceratopsia) from the Two Medicine Formation of Montana. In: Journal of Vertebrate Paleontology. Bd. 24, Nr. 3, 2004, (ISSN0272-4634), S. 572–590, DOI10.1671/0272-4634(2004)024[0572:DOPPGE]2.0.CO;2
umd.edu
geol.umd.edu
(en) Holtz, Thomas R. Jr. (2011) Dinosaurs: The Most Complete, Up-to-Date Encyclopedia for Dinosaur Lovers of All Ages, Winter 2010 Appendix.