A new ceratopsian from the Upper Jurassic Houcheng Formation of Hebei, China

被引：0
|
作者：
Zhao Xijin
Cheng Zhengwu
Xu Xing
Makovicky, Peter J.
机构：
[1] Field Museum, Dept Geol, Chicago, IL 60605 USA
[2] Chinese Acad Sci, Inst Vertebrate Paleontol & Paleoanthropol, Beijing 100044, Peoples R China
[3] Chinese Acad Geol Sci, Inst Geol, Beijing 100037, Peoples R China
来源：
ACTA GEOLOGICA SINICA-ENGLISH EDITION | 2006年 / 80卷 / 04期
关键词：
Houcheng Formation; Jurassic; Hebei; Chaoyangsauridae; Ceratopsia;
D O I：
暂无
中图分类号：
P [天文学、地球科学];
学科分类号：
07 ;
摘要：
A new ceratopsian taxon Xuanhuaceratops niei gen. et sp. nov. is erected based on four fragmentary specimens collected from the Late Jurassic Houcheng Formation, Hebei Province, China. Xuanhuaceratops shares a number of derived features with, and is closely related to, another probable Late Juarassic ceratopsian Chaoyangsaurus youngi, from which it differs in only possessing a single premaxillary tooth as well as in details of quadrate and scapular morphology. We hypothesize that these two taxa represent a primitive lineage of Ceratopsia that is basal to the psittacosaurid-neoceratopsian diversity, and propose the name Chaoyangsauridae for it.
引用
收藏
页码：467 / 473
页数：7
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