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The early cretaceous lizard genus Yabeinosaurus from China: Resolving an enigma
Evans, SE; Wang, Y; Li, C
2005-12-01
发表期刊JOURNAL OF SYSTEMATIC PALAEONTOLOGY
ISSN1477-2019
卷号3期号:4页码:319-335
文章类型Article
摘要The lizard genus Yabeinosaurus was originally described more than 60 years ago from deposits of the Early Cretaceous Jehol Group of northeastern China. Its morphology and phylogenetic position have remained enigmatic for several reasons, not least the inaccessibility of the type and figured material, now lost, and the immaturity of all previously documented specimens. Recent work on the Jehol Biota has yielded a series of well-preserved Yabeinosaurus skeletons, ranging from juvenile to adult. Contrary to previous interpretations, Yabeinosaurus was not a small, weakly ossified lizard with gekkotan affinities. The adult reached a size in excess Of 300 mm snout-pelvis length and had a large, heavily ossified and strongly sculptured skull. Phytogenetic analysis highlights some of the difficulties involved in determining the systematic positions of early squamate taxa. Nevertheless, the overall results suggest a position close to the iguanian-scleroglossan dichotomy (just above or just below). As such, Yabeinosaurus may represent a relict taxon in the Jehol Biota, a survivor of the Pan-Laurasian lizard fauna of the Jurassic.
关键词Jehol Biota Squamata Reptilia Asia
WOS标题词Science & Technology ; Life Sciences & Biomedicine
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关键词[WOS]LAS-HOYAS ; SQUAMATA ; EVOLUTION ; REPTILIA ; MEXICO ; SPAIN ; UTAH
收录类别SCI
语种英语
WOS研究方向Evolutionary Biology ; Paleontology
WOS类目Evolutionary Biology ; Paleontology
WOS记录号WOS:000234305400001
引用统计
文献类型期刊论文
条目标识符http://119.78.100.205/handle/311034/5043
专题中科院古脊椎所(2000年以后)
作者单位1.UCL, Dept Anat & Dev Biol, London WC1E 6BT, England
2.Chinese Acad Sci, Inst Vertebrate Paleontol & Paleoanthropol, Beijing 100044, Peoples R China
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Evans, SE,Wang, Y,Li, C. The early cretaceous lizard genus Yabeinosaurus from China: Resolving an enigma[J]. JOURNAL OF SYSTEMATIC PALAEONTOLOGY,2005,3(4):319-335.
APA Evans, SE,Wang, Y,&Li, C.(2005).The early cretaceous lizard genus Yabeinosaurus from China: Resolving an enigma.JOURNAL OF SYSTEMATIC PALAEONTOLOGY,3(4),319-335.
MLA Evans, SE,et al."The early cretaceous lizard genus Yabeinosaurus from China: Resolving an enigma".JOURNAL OF SYSTEMATIC PALAEONTOLOGY 3.4(2005):319-335.
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