A New Pterodactyloid Pterosaur from the Early Cretaceous of the Western Part of Liaoning Province, Northeastern China

被引：6
作者：
Lu Junchang [1 ]
Liu Cunyu [2 ]
Pan Lijun [2 ]
Shen Caizhi [1 ]
机构：
[1] Chinese Acad Geol Sci, Inst Geol, Beijing 100037, Peoples R China
[2] Beipiao Pterosaur Museum China, Beipiao Cty 122100, Peoples R China
来源：
ACTA GEOLOGICA SINICA-ENGLISH EDITION | 2016年 / 90卷 / 03期
基金：
中国国家自然科学基金;
关键词：
Pterosauria; Pangupterus; Jiufotang Formation; western Liaoning; YIXIAN FORMATION; CTENOCHASMATID PTEROSAUR; PHYLOGENY;
D O I：
10.1111/1755-6724.12721
中图分类号：
P [天文学、地球科学];
学科分类号：
07 ;
摘要：
Pangupterus liui gen. et sp. nov. from the Jiufotang Formation of Sihedang, Lingyuan City, Liaoning Province is erected based on a nearly complete lower jaw. It is characterized by having a total of 36 slender curved teeth with sharp tips, forming a distinct fish-grabbing mechanism; the teeth are well-spaced and are circular in section; the length ratio of the mandibular symphysis to the whole jaw is 20%; and the ratio of the tooth root width to tooth length is 12%. Toothed pterosaurs make up about 56.3% of the pterosaur assemblage from the Jiufotang Formation, which indicates that toothed forms played a key role in the ecosystem.
引用
收藏
页码：777 / 782
页数：6
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