First discovery of theropod teeth from the Nenjiang Formation (early Campanian) in the Songliao Basin, northeast China

被引：3
作者：
Yu, Kaifeng [1 ]
Bolotsky, Ivan [2 ]
Sun, Wei [1 ]
Gao, Youfeng [1 ]
Shen, Fengbin [3 ]
Wu, Wenhao [1 ]
机构：
[1] Jilin Univ, Coll Earth Sci, Res Ctr Palaeontol & Stratig, Changchun, Jilin, Peoples R China
[2] Inst Geol & Nat Management, Blagoveshchensk, Russia
[3] Shenzhou Dinosaur Museum, Jiayin Dinosaur Natl Geol Pk, Jiayin, Peoples R China
来源：
HISTORICAL BIOLOGY | 2023年 / 35卷 / 07期
基金：
中国国家自然科学基金;
关键词：
Campanian; Songliao Basin; Nenjiang Formation; Theropoda; teeth; CRETACEOUS YIXIAN FORMATION; DROMAEOSAURID DINOSAUR; TROODONTID THEROPOD; JEHOL GROUP; STRATIGRAPHY; INFORMATION; IDENTIFICATION; DENTITION; PATAGONIA;
D O I：
10.1080/08912963.2022.2084692
中图分类号：
Q [生物科学];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
Recently, a new fossil site containing microvertebrate remains has been discovered in the upper part of the Nenjiang Formation (early Campanian) in the Songliao Basin, northeast China. Five isolated theropod teeth were discovered. The teeth were analysed based on morphological traits and the results showed that they correspond to the clades of Troodontidae, Dromaeosauridae and ?Tyrannosauridae. One dromaeosaurid tooth can be furtherly assigned to Dromaeosaurinae. It is the first discovery of theropod teeth from the Nenjiang Formation, also the first record of the Dromaeosaurinae from China. This study extends the known geographic range of these clades of theropods. The new materials also expand knowledge of the terrestrial ecosystem during the Late Cretaceous of the Songliao Basin.
引用
收藏
页码：1166 / 1174
页数：9
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