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The Dinosauria$
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David Weishampel

Print publication date: 2004

Print ISBN-13: 9780520242098

Published to California Scholarship Online: March 2012

DOI: 10.1525/california/9780520242098.001.0001

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PRINTED FROM CALIFORNIA SCHOLARSHIP ONLINE (www.california.universitypressscholarship.com). (c) Copyright University of California Press, 2021. All Rights Reserved. An individual user may print out a PDF of a single chapter of a monograph in CALSO for personal use.date: 03 August 2021

Basal Ceratopsia

Basal Ceratopsia

(p.478) Twenty-Two Basal Ceratopsia
The Dinosauria

You Hailu

Peter Dodson

University of California Press

Ceratopsia consists of Psittacosauridae and Neoceratopsia. Psittacosauridae is a monogeneric (Psittacosaurus) clade consisting of ten species, while basal Neoceratopsia is formed by eleven genera, with twelve species of basal Neoceratopsia being recognized. This chapter discusses the anatomy, phylogeny, and paleobiology of basal ceratopsians. Basal ceratopsians are small (1–3 m long), bipedal or quadrupedal herbivores. The best preserved and described specimens representing the major subgroups among basal ceratopsians are Psittacosaurus mongoliensis, Archaeoceratops oshimai, Protoceratops andrewsi, and Leptoceratops gracilis.

Keywords:   Ceratopsia, Psittacosauridae, Neoceratopsia, basal ceratopsians, Psittacosaurus mongoliensis, Archaeoceratops oshimai, Protoceratops andrewsi, Leptoceratops gracilis

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