Paleogeographical significance of carcharodontosaurid teeth from the late Early Cretaceous of Ruyang, Henan Province of central China

被引:4
|
作者
Lu, Junchang [1 ,2 ]
Xu, Li [3 ]
Pu, Hanyong [3 ]
Jia, Songhai [3 ]
Azuma, Yoichi [4 ]
Chang, Huali [3 ]
Zhang, Jiming [3 ]
机构
[1] Chinese Acad Geol Sci, Inst Geol, Beijing 100037, Peoples R China
[2] Minist Land & Resources China, Key Lab Stratig & Paleontol, Beijing 100037, Peoples R China
[3] Henan Geol Museum, Zhengzhou 450016, Henan, Peoples R China
[4] Fukui Prefectural Dinosaur Museum, Fukui 9118601, Japan
基金
中国国家自然科学基金;
关键词
carcharodontosaurid teeth; late Early Cretaceous; Henan Province; China; SAUROPOD DINOSAUR; THEROPODA; PHYLOGENY; EVOLUTION;
D O I
10.1080/08912963.2014.947287
中图分类号
Q [生物科学];
学科分类号
07 ; 0710 ; 09 ;
摘要
Four carcharodontosaurid teeth from the Cretaceous deposits of Ruyang County, Henan Province of central China are described in detail. The discovery of these large teeth indicates that some of the largest predatory dinosaurs coexisted with the gigantic plant-eating dinosaurs of this fauna, and these predators were likely the top consumers in the food chain. The teeth also further corroborate the biogeographic model by previous researchers that the carcharodontosaurids were broadly distributed rather than restricted to Gondwana, and this report expands the known non-Gondwanan record of the clade. Gigantic sauropod dinosaurs such as Ruyangosaurus and Huanghetitan ruyangensis were also found in the same area.
引用
收藏
页码:8 / 13
页数:6
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