プレノケラトプス
“Description of Prenoceratops pieganensis gen et sp. nov. (Dinosauria: Neoceratopsia) from the Two Medicine Formation of Montana.”. Journal of Vertebrate Paleontology 24 (3): 572–590. doi:10.1671/0272-4634(2004)024[0572:DOPPGE]2.0.CO;2. ISSN 0272-4634.
https://web.archive.org/web/20050225002043/http://www.vertpaleo.org/jvp/24-572-590.html (online abstract of the preceding article)
Liddell & Scott (1980). Greek-English Lexicon, Abridged Edition. Oxford University Press, Oxford, UK. ISBN 0-19-910207-4. https://archive.org/details/lexicon00lidd