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The postcranial skeleton of the iguanodontian ornithopod Jinzhousaurus yangi from the Lower Cretaceous Yixian Formation of western Liaoning, China

Published online by Cambridge University Press:  11 February 2011

Xiaolin Wang ,
Rui Pan ,
Richard J. Butler  and
Paul M. Barrett
Xiaolin Wang*
Affiliation:
Key Laboratory of Evolutionary Systematics of Vertebrates, Institute of Vertebrate Paleontology and Paleoanthropology, Chinese Academy of Sciences, PO Box 643, Beijing, 100044, China Email: [email protected]; [email protected]
Rui Pan
Affiliation:
Key Laboratory of Evolutionary Systematics of Vertebrates, Institute of Vertebrate Paleontology and Paleoanthropology, Chinese Academy of Sciences, PO Box 643, Beijing, 100044, China Email: [email protected]; [email protected]
Richard J. Butler*
Affiliation:
Bayerische Staatssammlung für Paläontologie und Geologie, Richard-Wagner-Straße 10, 80333 Munich, Germany Email: [email protected]
Paul M. Barrett
Affiliation:
Department of Palaeontology, Natural History Museum, Cromwell Road, London SW7 5BD, UK Email: [email protected]
*
*Corresponding authors
*Corresponding authors
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Abstract

Non-hadrosaurid iguanodontians were the most diverse and abundant group of large-bodied herbivorous dinosaurs during the Early Cretaceous, and were a particularly important component of Laurasian ecosystems. Recent years have seen a dramatic increase in our knowledge of the diversity of this group, with multiple new taxa being described from northeast China. The most complete of these Chinese non-hadrosaurid iguanodontians is Jinzhousaurus yangi, from the middle part of the Yixian Formation (Lower Cretaceous: lower Aptian) of Liaoning Province. Here, we provide the first description of the relatively complete and partially articulated postcranial skeleton of the holotype of Jinzhousaurus, and provide detailed comparisons to closely related taxa. We document additional autapomorphies of Jinzhousaurus that provide strong support for the validity of this taxon.

Keywords

Early CretaceousIguanodontiaOrnithopodaHadrosauridaesystematics
Type
Research Article
Information
Earth and Environmental Science Transactions of The Royal Society of Edinburgh , Volume 101 , Issue 2 , June 2010 , pp. 135 - 159
Copyright
Copyright © Royal Society of Edinburgh 2011

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