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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
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.
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页码:777 / 782
页数:6
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