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

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 specimen...

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Bibliographic Details
Published in:PeerJ (San Francisco, CA) CA), 2021-10, Vol.9, p.e12360-e12360, Article e12360
Main Authors: Shen, Caizhi, Pêgas, Rodrigo V., Gao, Chunling, Kundrát, Martin, Zhang, Lijun, Wei, Xuefang, Zhou, Xuanyu
Format: Article
Language:English
Subjects:
Cretaceous
Genera
Jiufotang Formation
Museums
Ontogeny
Osteology
Paleontology
Phylogenetics
Pterosauria
Species
Systematics
Tapejaridae
Taxonomy
Terminology
Vertebrae
Zoology
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Description
Summary: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 Sinopterus 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, Sinopterus dongi. This new specimen helps shed some new light in the osteology of Sinopterus dongi, hopefully serving as a basis for future comparative studies involving further specimens and other proposed species and, subsequently, taxonomic revisions.
ISSN:2167-8359
2167-8359
DOI:10.7717/peerj.12360