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Ceratopsidae

Ceratopsidae, a family of large herbivorous dinosaurs, thrived in North America around 80 to 65.5 million years ago. They are notable for their distinct horn structures and skull frills, which vary greatly among species. This family is divided into subfamilies such as Centrosaurinae and Ceratopsinae, which exhibit different horn sizes and skull features. Remarkably, the first ceratopsid fossil found outside North America was Sinoceratops zhuchengensis in China in 2008. Understanding these fascinating creatures enriches our knowledge of dinosaur diversity and evolution.

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Ceratopsidae

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  1. Ceratopsidae By Jess Mullins

  2. Marginocephalian

  3. Taxonomy of Ceratopsidae

  4. 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

  5. The Horns • Juvenile vs. Adult • Types • Structure • Uses

  6. Centrosaurinae • Typically brow horns smaller than nose horn • Short frill with prongs • Short deep snout • Much diversity

  7. Ceratopsinae/ Chasmosaurinae • Brow horns longer than nasal horn • Large frill with big open spaces • Longer snout

  8. Breaking News! • The first ceratopsid fossil outside North America was found in China in 2008 • Sinoceratops zhuchengensis found in Zhuchengensis China

  9. 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

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