Phylogenetic Analysis of Early Ornithosuchian Archosaurs

早期鸟鳄类主龙的系统发育分析

• 批准号: 8709455
• 负责人: Jacques Gauthier
• 金额: $ 8万
• 依托单位: California Academy of Sciences
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 1988
• 资助国家: 美国
• 起止时间: 1988-01-15 至 1991-12-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=8709455&HistoricalAwards=false
• 关键词: Phylogenetic; Analysis; Early; Ornithosuchian; Archosaurs

Bird-archosaurs (the Ornithosuchia) have played major roles in terrestrial ecosystems for over 200 million years, and they continue to do so in the form of 9,000 living species of birds. But very little is known of the early evolution of bird- archosaurs. This grant will enable a more comprehensive investigation of this problem than has yet been possible. Clearer understanding of genealogical relationships among the early ornithosuchians will serve as a basis for evaluating major aspects of their evolutionary history.

2 亿多年来，鸟类祖龙（鸟鳄亚目）在陆地生态系统中发挥着重要作用，并且在 9,000 种现存鸟类中继续发挥着重要作用。 但人们对鸟类祖龙的早期进化知之甚少。 这笔赠款将使我们能够对这个问题进行比以往更全面的调查。 对早期鸟鳄之间的谱系关系的更清晰的了解将成为评估其进化历史的主要方面的基础。