Phylogenetic Relationships of Pelycosaurs
盘龙类的系统发育关系
基本信息
- 批准号:9004171
- 负责人:
- 金额:$ 11.72万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Standard Grant
- 财政年份:1990
- 资助国家:美国
- 起止时间:1990-10-15 至 1994-03-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
The evolution of synapsids is documented by an unusually rich fossil record, extending over 300 million years. Primitive synapsids, the pelycosaurs, are the most conspicuous terrestrial vertebrates of their time, and their fossil remains record the earliest successful adaptive radiation of amniotes to a broad array of herbivorous and predators modes of life. The PIs will undertake a thorough reassessment of the phylogenetic relationships of pelycosaurs by combining detailed anatomical studies of specimens with a cladistic analysis that considers a large suite of characters. Their first hand knowledge of this group, previous studies of numerous pelycosaur taxa, and availability of representative specimens of three outgroups for direct osteological comparisons will eliminate the need to rely heavily on outdated literature. In addition to providing an assessment of the ingroup relationships of pelycosaurs, the present study will assess the relationship of pelycosaurs to other Paleozoic vertebrates, including their therapsid descendants. Computer algorithms that utilize cladistic techniques will be used to analyze phylogenetic relationships. This project will provide a solid basis for the analysis of the paleoecology and paleobiogeography of pelycosaurs. The PIs also expect to be able to construct a macroevolutionary model of the group and to address the perplexing problem of the origin of amniotes (higher vertebrates that include recent reptiles, birds, and mammals).
下孔类动物的进化被一份异常丰富的化石记录所记录,时间长达3亿多年。原始的下孔纲动物,即盘龙,是当时最引人注目的陆生脊椎动物,它们的化石记录了羊膜动物最早成功地适应了广泛的草食性和捕食性生活模式。pi将通过结合对标本的详细解剖研究和考虑大量特征的分支分析,对柱头龙的系统发育关系进行彻底的重新评估。他们对这一类群的第一手资料,先前对许多舌龙类群的研究,以及三个外类群的代表性标本的直接骨学比较,将消除对过时文献的严重依赖。除了评估盘龙的群内关系外,本研究还将评估盘龙与其他古生代脊椎动物的关系,包括它们的兽头类后代。利用进化技术的计算机算法将用于分析系统发育关系。该项目将为盘龙的古生态学和古生物地理学分析提供坚实的基础。pi还希望能够构建该群体的宏观进化模型,并解决羊膜动物(包括最近的爬行动物、鸟类和哺乳动物在内的高等脊椎动物)起源的复杂问题。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
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专利数量(0)
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David Berman其他文献
ViPRE: an open-source software implementation for end-to-end analysis of mass spectrometry data
ViPRE:用于质谱数据端到端分析的开源软件实现
- DOI:
- 发表时间:
2023 - 期刊:
- 影响因子:0
- 作者:
Hana Elmi;A. Jamzad;Mackenzie Sharp;J. R. Rodgers;M. Kaufmann;T. Jamaspishvili;Rachael Iseman;David Berman;J. Rudan;G. Fichtinger;P. Mousavi - 通讯作者:
P. Mousavi
Religion and Madness
- DOI:
10.1007/s10943-006-9033-x - 发表时间:
2006-06-27 - 期刊:
- 影响因子:2.000
- 作者:
David Berman - 通讯作者:
David Berman
MP2-03 RADICAL CYSTECTOMY AND ADJUVANT CHEMOTHERAPY FOR MUSCLE-INVASIVE BLADDER CANCER IN THE ELDERLY: A POPULATION-BASED STUDY
- DOI:
10.1016/j.juro.2014.02.161 - 发表时间:
2014-04-01 - 期刊:
- 影响因子:
- 作者:
Michael Leveridge;Robert Siemens;William Mackillop;Yingwei Peng;David Berman;Christopher Booth - 通讯作者:
Christopher Booth
1831 Development of a New Scoring for Pan-TRK Immunohistochemistry Assay
1831 泛 TRK 免疫组化测定的新评分系统的开发
- DOI:
10.1016/j.labinv.2024.104077 - 发表时间:
2025-03-01 - 期刊:
- 影响因子:4.200
- 作者:
Emina Torlakovic;Nicholas Baniak;Tao Wang;Ming Tsao;David Berman - 通讯作者:
David Berman
Reflex Anuria and Uremia From Unilateral Ureteral Obstruction
- DOI:
10.1016/s0272-6386(12)70348-7 - 发表时间:
1993-12-01 - 期刊:
- 影响因子:
- 作者:
Roy Maletz;David Berman;Kenneth Peelle;David Bernard - 通讯作者:
David Bernard
David Berman的其他文献
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{{ truncateString('David Berman', 18)}}的其他基金
The Higgs and Beyond: exploring particle physics today - and in the future.
希格斯及其以外:探索今天和未来的粒子物理学。
- 批准号:
ST/K00557X/1 - 财政年份:2013
- 资助金额:
$ 11.72万 - 项目类别:
Research Grant
Workshop: M Theory in the City
工作坊:城市中的M理论
- 批准号:
EP/E029345/1 - 财政年份:2006
- 资助金额:
$ 11.72万 - 项目类别:
Research Grant
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