NEW MATERIAL OF IKECHOSAURUS-SUNAILINAE (REPTILIA, CHORISTODIRA) FROM THE EARLY CRETACEOUS LAOHONGDONG FORMATION, ORDOS BASIN, INNER-MONGOLIA, AND THE INTERRELATIONSHIPS OF THE GENUS

CORC > 古脊椎动物与古人类研究所 > 中国科学院古脊椎动物与古人类研究所 > 古低等脊椎动物研究室

	NEW MATERIAL OF IKECHOSAURUS-SUNAILINAE (REPTILIA, CHORISTODIRA) FROM THE EARLY CRETACEOUS LAOHONGDONG FORMATION, ORDOS BASIN, INNER-MONGOLIA, AND THE INTERRELATIONSHIPS OF THE GENUS
	BRINKMAN, DB; DONG, ZM
刊名	CANADIAN JOURNAL OF EARTH SCIENCES
	1993-10-01
卷号	30 期号:10-11 页码:2153-2162
文献子类	Article
英文摘要	New material of Ikechosaurus sunailinae from the Early Cretaceous Laohongdong Formation of the Ordos Basin, Inner Mongolia, People's Republic of China, is described. This material, which includes well-preserved articulated skeletons and a series of isolated elements, demonstrates that Ikechosaurus is more closely related to Champsosaurus than to Simoedosaurus, sharing with Champsosaurus the presence of an elongate snout, anteriorly constricted parasphenoid with the foramen canalis caroticus internus located in or near the suture between the parasphenoid and the pterygoid, an anterior extension of the anterior end of the jugal, and an elongate symphysis including the splenial. Ikechosaurus is primitive relative to Champsosaurus in the anterior position of the internal narial openings, in the less strongly flared temporal region with the temporal openings placed largely above one another, in the absence of fenestra in the occiput between the parietal and squamosal, and in the interpterygoid vacuity bordered posteriorly by the basisphenoid. Ikechosaurus and Tchoiria are at a similar grade of evolution, but can be separated by details in the arrangement of bone forming the skull roof.
WOS研究方向	Geology
语种	英语
WOS记录号	WOS:A1993MW47200013
内容类型	期刊论文
源URL	[http://124.16.247.212/handle/311034/7464]
专题	古脊椎动物与古人类研究所_古低等脊椎动物研究室
作者单位	ACAD SINICA, INST VERTEBRATE PALEONTOL & PALEOANTHROPOL, BEIJING 100044, PEOPLES R CHINA
推荐引用方式 GB/T 7714	BRINKMAN, DB,DONG, ZM. NEW MATERIAL OF IKECHOSAURUS-SUNAILINAE (REPTILIA, CHORISTODIRA) FROM THE EARLY CRETACEOUS LAOHONGDONG FORMATION, ORDOS BASIN, INNER-MONGOLIA, AND THE INTERRELATIONSHIPS OF THE GENUS[J]. CANADIAN JOURNAL OF EARTH SCIENCES,1993,30(10-11):2153-2162.
APA	BRINKMAN, DB,&DONG, ZM.(1993).NEW MATERIAL OF IKECHOSAURUS-SUNAILINAE (REPTILIA, CHORISTODIRA) FROM THE EARLY CRETACEOUS LAOHONGDONG FORMATION, ORDOS BASIN, INNER-MONGOLIA, AND THE INTERRELATIONSHIPS OF THE GENUS.CANADIAN JOURNAL OF EARTH SCIENCES,30(10-11),2153-2162.
MLA	BRINKMAN, DB,et al."NEW MATERIAL OF IKECHOSAURUS-SUNAILINAE (REPTILIA, CHORISTODIRA) FROM THE EARLY CRETACEOUS LAOHONGDONG FORMATION, ORDOS BASIN, INNER-MONGOLIA, AND THE INTERRELATIONSHIPS OF THE GENUS".CANADIAN JOURNAL OF EARTH SCIENCES 30.10-11(1993):2153-2162.