New primitive ichthyosaurian (Reptilia, Diapsida) from the Middle Triassic of Panxian, Guizhou, southwestern China and its position in the Triassic biotic recovery

被引：25

作者：

Jiang, Dayong ^{[1
,2
]}

Motani, Ryosuke ^{[3
]}

Hao, Weicheng ^{[1
,2
]}

Schmitz, Lars ^{[3
]}

Rieppel, Olivier ^{[4
]}

Sun, Yuanlin ^{[1
,2
]}

Sun, Zuoyu ^{[1
,2
]}

机构：

[1] Peking Univ, Dept Geol, Beijing 100871, Peoples R China

[2] Peking Univ, Geol Museum, Beijing 100871, Peoples R China

[3] Univ Calif Davis, Dept Geol, Davis, CA 95616 USA

[4] Field Museum Nat Hist, Dept Geol, Chicago, IL 60605 USA

来源：

PROGRESS IN NATURAL SCIENCE-MATERIALS INTERNATIONAL | 2008年 / 18卷 / 10期

基金：

中国国家自然科学基金;

关键词：

Ichthyosauria; Ichthyopterygia; Middle Triassic; Panxian; Guizhou;

D O I：

10.1016/j.pnsc.2008.01.039

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A new primitive ichthyopterygian Xinminosaurus catactes gen. et. sp. nov. is erected based on a complete skeleton from the Middle Triassic Upper Member of the Guanling Formation at Panxian, Guizhou, southwestern China. It has a suite of uniquely derived characters in its dentition, ulna, carpals and tarsals. It is similar to primitive ichthyopterygians in retaining elongated limb bones. The new taxon and a diversity of marine reptiles in Panxian Fauna are the physical markers of the Middle Triassic Biotic radiation. Detailed studies of this fauna will supply essential knowledge on the diversity, migration and paleobiogeographic affinity of Middle Triassic ichthyopterygians. (C) 2008 National Natural Science Foundation of China and Chinese Academy of Sciences. Published by Elsevier Limited and Science in China Press. All rights reserved.

引用

页码：1315 / 1319

页数：5

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