Please use this identifier to cite or link to this item: https://hdl.handle.net/1959.11/14850
Title: A sauropod rib with an embedded theropod tooth: direct evidence for feeding behaviour in the Jehol group, China
Contributor(s): Xing, Lida (author); Bell, Phil (author)orcid ; Currie, Philip J (author); Shibata, Masateru (author); Tseng, Kuowei (author); Dong, Zhiming (author)
Publication Date: 2012
DOI: 10.1111/j.1502-3931.2012.00310.x
Handle Link: https://hdl.handle.net/1959.11/14850
Abstract: A fragmentary rib from the Lower Cretaceous (Barremian) Yixian Formation in north-eastern China preserves rare, direct evidence of feeding behaviour by an unidentified theropod. The rib, which comes from the holotype of 'Dongbetitan', preserves an embedded, broken theropod tooth. Comparison of the tooth with all known theropods from the Yixian Formation suggests that it belongs to a new taxon of medium-sized theropod. Given the large size difference between the sauropod and the theropod and the absence of reactive bone growth around the tooth, the bite likely occurred post-mortem during scavenging. Recognition of a new, medium-sized theropod increases the known diversity of taxa from the Yixian Formation and helps fill a gap in the theropod palaeoecology of that formation, which previously consisted of only small (<2 m) forms.
Publication Type: Journal Article
Source of Publication: Lethaia, 45(4), p. 500-506
Publisher: Wiley-Blackwell Publishing Ltd
Place of Publication: United Kingdom
ISSN: 0024-1164
1502-3931
Field of Research (FOR): 040308 Palaeontology (incl Palynology)
060399 Evolutionary Biology not elsewhere classified
Peer Reviewed: Yes
HERDC Category Description: C1 Refereed Article in a Scholarly Journal
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Appears in Collections:Journal Article
School of Environmental and Rural Science

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