Arid
DOI10.1016/j.cretres.2016.09.006
Review of Cretaceous sauropod dinosaurs from Central Asia
Averianov, Alexander1,2; Sues, Hans-Dieter3
通讯作者Averianov, Alexander
来源期刊CRETACEOUS RESEARCH
ISSN0195-6671
EISSN1095-998X
出版年2017
卷号69页码:184-197
英文摘要

There are 24 known localities for skeletal remains of sauropod dinosaurs in the republics of Central Asia (Kazakhstan, Kyrgyzstan, Tajikistan, and Uzbekistan). Sauropod remains are very rare at all these localities and represented usually only by isolated teeth. Only narrow-crowned teeth are known from the Cretaceous of Central Asia. The oldest record of such teeth is from the Aptian Sultanbobo Formation of Uzbekistan. Exposures of the Turonian Bissekty Formation at the most productive vertebrate locality in the region, Dzharakuduk in Uzbekistan, has yielded many isolated teeth and a few skeletal remains that can be attributed to a non-lithostrotian titanosaur. Similar narrow-crowned, cylindrical teeth from Cenomanian-to Coniacian-age strata in the Kyzylkum Desert, Uzbekistan, may belong to a closely related taxon. Another taxon, with teeth that are pentagonal in cross-section, is known from the Santonian Yalovach and Bostobe formations of Tajikistan and western Kazakhstan, respectively. A femur reported from the Santonian Syuksyuk Formation of southern Kazakhstan possibly belongs to a lithostrotian titanosaur. The change in tooth structure at the Coniacian-Santonian boundary in the region possibly suggests replacement of non-lithostrotian titanosaurs by lithostrotians. The titanosaur from the Bissekty Formation is similar to Dongyangosaurus sinensis from the Cenomanian-Turonian of Zhejiang (China) in the extensive pneumatization of the neural arch on the anterior caudal vertebrae with several fossae. It also resembles Baotianmansaurus henanensis from the Cenomanian of Henan (China) in the possession of very short anterior caudal centra. These three taxa possibly represent an as yet formally unrecognized endemic Glade of Asian non-lithostrotian titanosaurs. (C) 2016 Elsevier Ltd. All rights reserved.


英文关键词Sauropoda Cretaceous Kazakhstan Kyrgyzstan Tajikistan Uzbekistan
类型Review
语种英语
国家Russia ; USA
收录类别SCI-E
WOS记录号WOS:000386739700018
WOS关键词TITANOSAURIFORM SAUROPOD ; PHYLOGENETIC AFFINITIES ; SAURISCHIA ; SEPTENTRIONALIS ; REDESCRIPTION ; REASSESSMENT ; EVOLUTION ; OSTEOLOGY
WOS类目Geology ; Paleontology
WOS研究方向Geology ; Paleontology
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/198211
作者单位1.Russian Acad Sci, Inst Zool, Univ Skaya Nab 1, St Petersburg 199034, Russia;
2.St Petersburg State Univ, Dept Sedimentary Geol, Geol Fac, 16 Liniya VO 29, St Petersburg 199178, Russia;
3.Smithsonian Inst, Dept Paleobiol, Natl Museum Nat Hist, MRC 121,POB 37012, Washington, DC 20013 USA
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GB/T 7714
Averianov, Alexander,Sues, Hans-Dieter. Review of Cretaceous sauropod dinosaurs from Central Asia[J],2017,69:184-197.
APA Averianov, Alexander,&Sues, Hans-Dieter.(2017).Review of Cretaceous sauropod dinosaurs from Central Asia.CRETACEOUS RESEARCH,69,184-197.
MLA Averianov, Alexander,et al."Review of Cretaceous sauropod dinosaurs from Central Asia".CRETACEOUS RESEARCH 69(2017):184-197.
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