globalchange  > 全球变化的国际研究计划
项目编号: 1636753
项目名称:
COLLABORATIVE RESEARCH: Triassic-Jurassic Fossils and the Origin of the Crocodilian Skull
作者: James Clark
承担单位: George Washington University
批准年: 2016
开始日期: 2016-08-01
结束日期: 2020-07-31
资助金额: 279868
资助来源: US-NSF
项目类别: Standard Grant
国家: US
语种: 英语
特色学科分类: Geosciences - Earth Sciences
英文关键词: origin ; skull ; pi ; exceptional fossil record ; 3d skull
英文摘要: Crocodilians and their closest relatives have an exceptional fossil record from the last 250 million years, documenting the origins of their many specializations. Here the PIs investigate for the first time the origins of the unique jaw-closing system that allows crocodilians to have the strongest bite force of any vertebrate, using biomechanical analyses integrated with a study of their evolutionary relationships. The PIs will also study how the size of air spaces in the skull relates to a dramatic increase in global temperatures and decrease in atmospheric oxygen at the end of the Triassic Period. The study seeks to determine whether the origin of features increasing bite force were related to the increase in air spaces in the skull, or whether these two signature adaptations of modern crocodilians evolved independently.

Crocodilians are charismatic animals that lend themselves well to educational outreach, and this project will utilize the Smithsonian?s National Museum of Natural History's Q'rius learning center and University of Missouri's Inside Dinosaurs program as platforms to contribute to public scientific literacy and public engagement with science. The PIs and their students will engage in public presentations and develop interactive experiences based on 3D skulls printed from project CT scans. Collaboration with researchers in China will strengthen international collaboration.
资源类型: 项目
标识符: http://119.78.100.158/handle/2HF3EXSE/91612
Appears in Collections:全球变化的国际研究计划
科学计划与规划

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Recommended Citation:
James Clark. COLLABORATIVE RESEARCH: Triassic-Jurassic Fossils and the Origin of the Crocodilian Skull. 2016-01-01.
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