Filling the Norian (Late Triassic) Gap in Tropical Tetrapod Diversity, Eastern North America

填补北美洲东部热带四足动物多样性诺里安（晚三叠世）的空白

• 批准号: 9814475
• 负责人: Paul Olsen
• 金额: $ 10万
• 依托单位: Columbia University
• 依托单位国家: 美国
• 项目类别: Continuing Grant
• 财政年份: 1999
• 资助国家: 美国
• 起止时间: 1999-03-01 至 2001-02-28
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=9814475&HistoricalAwards=false
• 关键词: Filling; Norian; Late; Triassic; Gap

9814475OlsenThis project seeks to collect and analyze new tetrapod material (both skeletal and footprint) in Norian-age (Late Triassic, 202-218 Ma) strata of the Newark Supergroup rift basins of eastern North America as a prelude to understanding Triassic faunal provinciality and the Triassic-Jurassic mass extinction event. Analysis of tetrapod diversity from this time interval and geographic region is critical because of the unique time control afforded by the Newark Supergroup, particularly the Newark basin as a result of the NSF-funded Newark Basin Coring Project. This new material will allow tests of competing hypotheses concerning the rate and magnitude of the Triassic-Jurassic mass extinction in the continental rocks of eastern North America. Increased knowledge of Norian tetrapod diversity can be expected to not only yield insights into the world of the early Mesozoic, but more importantly give us a detailed understanding of the diversity patterns during one the largest mass extinctions of the last 600 million years. Images and morphological, phylogenetic, geographic, stratigraphic, and temporal databases will be made available through the Lamont Home Page of the World Wide Web and on CD.

9814475奥尔森该项目旨在收集和分析北美东部纽瓦克超群裂谷盆地诺利期（晚三叠世，202-218 Ma）地层中新的四足动物材料（骨骼和足迹），作为了解三叠纪动物区系和三叠纪-侏罗纪大灭绝事件的前奏。由于纽瓦克超群提供的独特时间控制，特别是NSF资助的纽瓦克盆地取芯项目所产生的纽瓦克盆地，因此从这个时间间隔和地理区域分析四足动物多样性是至关重要的。这种新材料将允许测试有关北美东部大陆岩石中三叠纪-侏罗纪大规模灭绝的速度和规模的相互竞争的假设。对诺利四足动物多样性的了解增加，不仅可以让我们深入了解中生代早期的世界，更重要的是，可以让我们详细了解过去6亿年来最大规模的大规模灭绝期间的多样性模式。将通过万维网的拉蒙主页和光盘提供图像和形态、系统发育、地理、地层和时间数据库。