IVPP-IR  > 中科院古脊椎所(2000年以后)
Guanling Biota: A marker of Triassic biotic recovery from the end-Permian extinction in the ancient Guizhou Sea
Jiang, DY; Motani, R; Li, C; Hao, WC; Sun, YL; Sun, ZY; Schmitz, L; Jiang, DY (reprint author), Peking Univ, Dept Geol & Geol Museum, Yiheyuan Str 5, Beijing 100871, Peoples R China.
2005
发表期刊ACTA GEOLOGICA SINICA-ENGLISH EDITION
ISSN1000-9515
卷号79期号:6页码:729-738
文章类型Article
摘要After a slow recovery from the end-Permian extinction during the Early Triassic and rapid radiation in the Middle Triassic, evolution of organisms reached a new peak phase in the Late Triassic. The Guanling Biota from the Wayao Member (conodont Paragondolella polynathiformis Zone). Falang Formation, Xinpu, Guanling County, Guizhou Province, southwestern China corresponds to this peak that marks the full recovery from the end-Permian extinction of marine ecosystems. The biota is of high diversity, containing well preserved and completely articulated skeletons of vertebrates comprising marine reptiles, fishes, and invertebrates including crinoids, ammonites, bivalves, and other fossils, and is one of the best examples of marine ecosystem records in life history. The fossil marine reptiles and crinoids are most significant in this biota, especially the marine reptiles, which provide an important link between the Triassic Pacific and Tethys, and between Triassic basal forms and the Jurassic-Cretaceous marine top predators. The most remarkable fossils are the large completely articulated ichthyosaur skeletons up to and more than 10 m, and the first recorded thalattosaurs and placodonts in China. Following our review, of the 17 named reptilian taxa the eight listed here are considered to be valid: three ichthyosaurs (Qianichthyosaurus zhoui Li, 1999; Guizhouichthyosaurus tangae Cao and Luo in Yin et al., 2000, Guanlingsaurus liangae Yin in Yin et al., 2000), three thalattosaurs (Anshunsaurus huangguoshuensis Liu, 1999, Xinpusaurus suni Yin in Yin et al., 2000, Xinpusaurus kohi Jiang et al., 2004), and two placodonts (Sinocyamodus xinpuensis Li, 2000, Psephochelys polyosteoderma Li and Rieppel, 2002). Mixosaurus guanlingensis Cao in Yin et al., 2000 might be a junior synonym of Qianichthyosaurus zhoui Li, 1999, and Cymbospondylus asiaticus Li and You, 2002 and Panjiangsaurus epicharis Chen and Cheng, 2003 might be junior synonyms of Guizhouichthyosaurus tangae Cao and Luo in Yin et al., 2000. It needs to re-describe the holotypes after a complete preparation for clarifying the taxonomic status of Typicusichthyosaurus tsaihuae Yu in Yin et al., 2000, Xinpusaurus bamaolinensis Cheng, 2003, Neosinosaurus hoangi (Zhou in Yin et al., 2000), Wayaosaurus geei Zhou in Yin et al., 2000, Wayaosaurus bellus Zhou in Yin et al., 2000 and Placochelys ? minutus Yin and Luo in Yin et al., 2000.; After a slow recovery from the end-Permian extinction during the Early Triassic and rapid radiation in the Middle Triassic, evolution of organisms reached a new peak phase in the Late Triassic. The Guanling Biota from the Wayao Member (conodont Paragondolella polynathiformis Zone). Falang Formation, Xinpu, Guanling County, Guizhou Province, southwestern China corresponds to this peak that marks the full recovery from the end-Permian extinction of marine ecosystems. The biota is of high diversity, containing well preserved and completely articulated skeletons of vertebrates comprising marine reptiles, fishes, and invertebrates including crinoids, ammonites, bivalves, and other fossils, and is one of the best examples of marine ecosystem records in life history. The fossil marine reptiles and crinoids are most significant in this biota, especially the marine reptiles, which provide an important link between the Triassic Pacific and Tethys, and between Triassic basal forms and the Jurassic-Cretaceous marine top predators. The most remarkable fossils are the large completely articulated ichthyosaur skeletons up to and more than 10 m, and the first recorded thalattosaurs and placodonts in China. Following our review, of the 17 named reptilian taxa the eight listed here are considered to be valid: three ichthyosaurs (Qianichthyosaurus zhoui Li, 1999; Guizhouichthyosaurus tangae Cao and Luo in Yin et al., 2000, Guanlingsaurus liangae Yin in Yin et al., 2000), three thalattosaurs (Anshunsaurus huangguoshuensis Liu, 1999, Xinpusaurus suni Yin in Yin et al., 2000, Xinpusaurus kohi Jiang et al., 2004), and two placodonts (Sinocyamodus xinpuensis Li, 2000, Psephochelys polyosteoderma Li and Rieppel, 2002). Mixosaurus guanlingensis Cao in Yin et al., 2000 might be a junior synonym of Qianichthyosaurus zhoui Li, 1999, and Cymbospondylus asiaticus Li and You, 2002 and Panjiangsaurus epicharis Chen and Cheng, 2003 might be junior synonyms of Guizhouichthyosaurus tangae Cao and Luo in Yin et al., 2000. It needs to re-describe the holotypes after a complete preparation for clarifying the taxonomic status of Typicusichthyosaurus tsaihuae Yu in Yin et al., 2000, Xinpusaurus bamaolinensis Cheng, 2003, Neosinosaurus hoangi (Zhou in Yin et al., 2000), Wayaosaurus geei Zhou in Yin et al., 2000, Wayaosaurus bellus Zhou in Yin et al., 2000 and Placochelys ? minutus Yin and Luo in Yin et al., 2000.
关键词Guanling Biota Marine Reptiles Late Triassic Carman Guizhou China
WOS标题词Science & Technology ; Physical Sciences
关键词[WOS]CHINA ; ICHTHYOSAUR ; PROVINCE
收录类别SCI
语种英语
WOS研究方向Geology
WOS类目Geosciences, Multidisciplinary
WOS记录号WOS:000234441600002
引用统计
文献类型期刊论文
条目标识符http://119.78.100.205/handle/311034/3577
专题中科院古脊椎所(2000年以后)
古低等脊椎动物研究室
通讯作者Jiang, DY (reprint author), Peking Univ, Dept Geol & Geol Museum, Yiheyuan Str 5, Beijing 100871, Peoples R China.
作者单位1.Peking Univ, Dept Geol & Geol Museum, Beijing 100871, Peoples R China
2.Univ Calif Davis, Dept Geol, Davis, CA 95616 USA
3.Chinese Acad Sci, Inst Vertebrate Paleontol & Paleoanthropol, Beijing 100044, Peoples R China
推荐引用方式
GB/T 7714
Jiang, DY,Motani, R,Li, C,et al. Guanling Biota: A marker of Triassic biotic recovery from the end-Permian extinction in the ancient Guizhou Sea[J]. ACTA GEOLOGICA SINICA-ENGLISH EDITION,2005,79(6):729-738.
APA Jiang, DY.,Motani, R.,Li, C.,Hao, WC.,Sun, YL.,...&Jiang, DY .(2005).Guanling Biota: A marker of Triassic biotic recovery from the end-Permian extinction in the ancient Guizhou Sea.ACTA GEOLOGICA SINICA-ENGLISH EDITION,79(6),729-738.
MLA Jiang, DY,et al."Guanling Biota: A marker of Triassic biotic recovery from the end-Permian extinction in the ancient Guizhou Sea".ACTA GEOLOGICA SINICA-ENGLISH EDITION 79.6(2005):729-738.
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