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来自中国早白垩世九佛堂组的翼龙目热河翼龙科一新标本。

A new specimen of (Pterosauria, Tapejaridae) from the Jiufotang Formation (Early Cretaceous, China).

作者信息

Shen Caizhi, Pêgas Rodrigo V, Gao Chunling, Kundrát Martin, Zhang Lijun, Wei Xuefang, Zhou Xuanyu

机构信息

Dalian Natural History Museum, Dalian, Liaoning, China.

Laboratório de Paleontologia de Vertebrados e Comportamento Animal, Federal University of ABC, São Paulo, Brazil.

出版信息

PeerJ. 2021 Oct 29;9:e12360. doi: 10.7717/peerj.12360. eCollection 2021.

Abstract

The Tapejarinae are edentulous pterosaurs that are relatively common in Cretaceous continental deposits in South America, North Africa, Europe, and China (mostly Early Cretaceous). The Chinese Jiufotang Formation is particularly rich in tapejarine specimens, having yielded over 10 described specimens and dozens of undescribed ones. For the Jiufotang Formation, a total of seven nominal tapejarid species and two genera have been proposed. Some debate exists over how many of those are valid or, alternatively, sexual or ontogenetic morphs of fewer (or even a single) species. Despite the abundance of specimens and the relevant taxonomic problems involved, detailed revisions of the matter are still lacking. This is partly due to the relatively scarce knowledge on the comparative osteology of the complex, which is hampered by the fact that most specimens have been only preliminarily described. In this contribution, we present a new postcranial specimen, D3072, which we attribute to the type-species of the genus, . This new specimen helps shed some new light in the osteology of , hopefully serving as a basis for future comparative studies involving further specimens and other proposed species and, subsequently, taxonomic revisions.

摘要

神翼鸟亚科是一类无齿的翼龙,在南美洲、北非、欧洲和中国(主要是早白垩世)的白垩纪陆相沉积中相对常见。中国的九佛堂组尤其富含神翼鸟亚科标本,已产出了10多个已描述的标本和数十个未描述的标本。对于九佛堂组,总共已提出了7个神翼鸟科的定种和2个属。关于其中有多少是有效的,或者相反,是较少(甚至单一)物种的性别或个体发育形态,存在一些争议。尽管标本丰富且涉及相关分类学问题,但对此事仍缺乏详细的修订。部分原因是对该类群比较骨学的了解相对较少,这受到大多数标本仅被初步描述这一事实的阻碍。在本论文中,我们展示了一个新的颅后标本D3072,我们将其归为该属的模式种。这个新标本有助于为该属的骨学研究提供一些新的线索,有望作为未来涉及更多标本和其他提议物种的比较研究以及随后分类学修订的基础。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/34b7/8559606/8df100e7c0e2/peerj-09-12360-g001.jpg

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