A New Basal Sauropod Dinosaur from the Lufeng Basin, Yunnan Province, Southwestern China

被引：14
|
作者：
Lue Junchang [1 ]
Kobayashi, Yoshitsugu [2 ]
Li Tianguang [3 ]
Zhong Shimin [3 ]
机构：
[1] Chinese Acad Geol Sci, Inst Geol, Beijing 100037, Peoples R China
[2] Hokkaido Univ, Hokkaido Univ Museum, Sapporo, Hokkaido 0600810, Japan
[3] Chuxiong Museum, Chuxiong 675000, Yunnan, Peoples R China
来源：
ACTA GEOLOGICA SINICA-ENGLISH EDITION | 2010年 / 84卷 / 06期
关键词：
taxonomy; Chuxiongosaurus lufengensis; Sauropoda; Jurassic; Yunnan; southwestern China; LUFENGOSAURUS-HUENEI YOUNG; PROSAUROPODA;
D O I：
10.1111/j.1755-6724.2010.00332.x
中图分类号：
P [天文学、地球科学];
学科分类号：
07 ;
摘要：
A new dinosaur Chuxiongosaurus lufengensis gen. et sp. nov. is erected based on a nearly complete skull. The taxon is characterized by the lacrimal perpendicular to the ventral margin of the upper jaw, which is similar to that of Thecodontosaurus; a depression present on the dorsal profile of the snout behind the naris; the rostral profile of the maxilla slopes continuously towards the rostral tip; and the presence of 25 dentary teeth. It also displays prosauropod characters such as a relatively long skull, the slope of the maxillary rostral profile, and teeth that do not have basically constricted crowns. The new specimen is more basal than Anchisaurus and represents the first basal sauropod dinosaur from the Early Jurassic of China.
引用
收藏
页码：1336 / 1342
页数：7
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