CeratopsidaeBy Jess Mullins

Marginocephalian

Taxonomy of Ceratopsidae

Characteristics of Ceratopsidae

Large in size Lived between 80 and

65.5 mya Only found in North

America Horns (of some sort or

another) Jaw/bite Diverse horn type but

similar post cranial features

The Horns

Juvenile vs. Adult Types Structure Uses

Centrosaurinae Typically brow horns smaller

than nose horn Short frill with prongs Short deep snout Much diversity

Ceratopsinae/ Chasmosaurinae

Brow horns longer than nasal horn

Large frill with big open spaces

Longer snout

Breaking News! The first ceratopsid fossil outside North America was

found in China in 2008 Sinoceratops zhuchengensis found in Zhuchengensis

China

Work Cited

Brett-Surman, M. K., Thomas R. Holtz, and James Orville. Farlow. The Complete Dinosaur. Bloomington, IN: Indiana UP, 2012. Print.

Holtz, Thomas R., and Luis V. Rey. Dinosaurs: The Most Complete, Up-to-date Encyclopedia for Dinosaur Lovers of All Ages. New York: Random House, 2007. Print.

http://www.wvup.edu/ecrisp/lec9thehorneddinosaurs.html

http://dinooftheweek.blogspot.com/2012/11/following-trends.html

http://www.wvup.edu/ecrisp/lec9thehorneddinosaurs.html