Abstract

Global Geology 2011, 14(3) 160-191 DOI: ISSN: 1673-9736 CN: 22-1371/P

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	Keywords
	Heilongjiang Province
	Amur Region
	Late Cretaceous
	dinosaurs
	Hadrosauridae
	palaeobiogeography
	Authors
	Pascal Godefroit1
	Pascaline Lauters1
	Jimmy Van Itterbeeck2
	Yuri L. Bolotsky3
	DONG Zhiming4
	JIN Liyong5
	WU Wenhao6
	Ivan Y. Bolotsky3
	6
	PubMed
	Article by Pascal Godefroit1
	Article by Pascaline Lauters1
	Article by Jimmy Van Itterbeeck2
	Article by Yuri L. Bolotsky3
	Article by DONG Zhiming4
	Article by JIN Liyong5
	Article by WU Wenhao6
	Article by Ivan Y. Bolotsky3
	Article by 6

Recent advances on study of hadrosaurid dinosaurs in Heilongjiang ( Amur) River area between China and Russia

Pascal Godefroit1, Pascaline Lauters1, Jimmy Van Itterbeeck2, Yuri L. Bolotsky3, DONG Zhiming4, JIN Liyong5, WU Wenhao6, Ivan Y. Bolotsky3, 6

1�� Royal Belgian Institute of Natural Sciences��Department of Palaeontology��B �� 1 000 Bruxelles��Belgium; 2�� Afdeling Historische Geologie��Katholieke Universiteit Leuven��B �� 3000 Leuven��Belgium; 3�� Amur Natural History Museum��Institute of Geology and Nature Exploration FEB RAS��675000 Blagoveschensk�� Amurskaya Oblast'��Russia; 4�� IVPP��Beijing 100044 / Research Center of Paleontology and Stratigraphy��Jilin University��Changchun 130026��China; 5�� Museum of Jilin University��Changchun 130026��China; 6�� Research Center for Paleontology and Stratigraphy��Jilin University��Changchun 130061��China; 7�� The Geological Museum of Heilongjiang��Harbin 150036��China

Abstract��

Four main dinosaur-bearing sites have been investigated in latest Cretaceous deposits from the Amur / Heilongjiang Region: Jiayin and Wulaga in China ( Yuliangze Formation) ��Blagoveschensk and Kundur in Russia ( Udurchukan Formation) �� More than 90% of the bones discovered in these localities belong to hollow-crested lambeosaurine hadrosaurids: Charonosaurus jiayinensis at Jiayin��Amurosaurus riabinini at Blagoveschensk�� Olorotitan arharensis at Kundur��and Sahaliyania elunchunorum at Wulaga�� Flat-headed hadrosaurine hadrosaurids are much less numerous��but appear well diversified as well: Kerberosaurus manakini at Blagoveschensk�� Wulagasaurus dongi at Wulaga��and a new genus at Kundur�� Theropods are represented by shed teeth and isolated bones; isolated scutes and teeth discovered at Kundur are tentatively attributed to nodosaurids�� Palynological studies suggest that these sites are probably synchronous with the Lancian' vertebrate localities of western North America��which represent the youngest dinosaur faunas in this area�� However��the latest Cretaceous dinosaur assemblages are completely different in the Amur /Heilongjiang region ( lambeosaurines abundant��ceratopsids absent) and in western North America ( ceratopsids abundant��lambeosaurines extremely rare or absent) �� This probably reflects some kind of geographical barrier between both areas by Maastrichtian time rather than strong differences in palaeoecological conditions��

Keywords�� Heilongjiang Province Amur Region Late Cretaceous dinosaurs Hadrosauridae palaeobiogeography

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