Reconstructing the lost cartilaginous epiphyses in extinct archosaurs' limbs
重建已灭绝的主龙四肢中丢失的软骨骨骺
基本信息
- 批准号:EP/Y029356/1
- 负责人:
- 金额:$ 23.84万
- 依托单位:
- 依托单位国家:英国
- 项目类别:Fellowship
- 财政年份:2024
- 资助国家:英国
- 起止时间:2024 至 无数据
- 项目状态:未结题
- 来源:
- 关键词:
项目摘要
Locomotion is among the most important function involved in tetrapod evolutionary success. Understanding how locomotion in current species evolved implies to study their fossil record. Evolutionary biomechanics tackles this topic, by estimating locomotor abilities of extinct organisms by observing their extant relatives. Particular efforts have been made to infer the locomotion in non- avian dinosaurs and other extinct archosaurs. However, as in most other tetrapods, archosaur limb bones have cartilaginous epiphyses that do not fossilise. This leads to high levels of uncertainty when conducting biomechanical analyses on such animals. Surprisingly, corrective strategies remained rather subjective and simplistic, failing to propose a robust way to account for missing cartilage. Here I propose to answer to this critical issue by concretely REconstructing the LOst CArTilaginous Epiphyses of extinct archosaurs, using cutting-edge quantitative methods. Focusing on the femur, the three-dimensional characteristics of a large sample of archosaurs will be used to estimate the missing epiphyses of fossil species. Subsequently to the study of modern morphological diversity, I will develop the protocol by assessing its accuracy to reconstruct epiphyses in a controlled virtual experimentation on extant species. I will also stress robustness to sampling variability to give the degree of confidence to put on the reconstruction. Finally, the impact of reconstructions will be tested by conducting a comparative biomechanical analysis. At the crossroads of quantitative vertebrate palaeontology, evolutionary biology and biomechanics, the project ambitions to develop the most objective and reliable way to date to reconstruct the lost epiphyses in extinct archosaurs. The unprecedented outcomes of the project should deeply impact inferences about how extinct archosaurs could locomote, and will open perspectives to generalise the approach to any other tetrapod group.
运动是四足动物进化成功的最重要的功能之一。了解当前物种的运动是如何进化的,意味着要研究它们的化石记录。进化生物力学通过观察现存生物的近亲来估计灭绝有机体的运动能力,从而解决了这个问题。已经做出了特别的努力来推断非鸟类恐龙和其他已灭绝的始祖龙的运动。然而,就像在大多数其他四足动物中一样,始祖龙的四肢骨骼具有不会化石的软骨骨痂。这导致在对这类动物进行生物力学分析时存在很高的不确定性。令人惊讶的是,矫正策略仍然相当主观和简单化,未能提出一种可靠的方法来解释软骨缺失。在这里,我建议通过使用尖端的定量方法,具体重建灭绝的始祖龙丢失的软骨骨面来回答这个关键问题。以股骨为重点,将利用大样本始祖龙的三维特征来估计化石物种缺失的骨痂。在研究了现代形态多样性之后,我将通过评估其准确性来开发该方案,以在对现有物种的受控虚拟实验中重建骨痂。我还将强调采样变异性的稳健性,以给出重建的置信度。最后,通过进行比较生物力学分析来测试重建的影响。在定量脊椎动物古生物学、进化生物学和生物力学的十字路口,该项目雄心勃勃地开发出到目前为止最客观和可靠的方法来重建灭绝的原始龙丢失的骨痂。该项目史无前例的结果应该会深刻影响关于灭绝的始祖龙如何移动的推断,并将开辟新的视角,将这种方法推广到任何其他四足类。
项目成果
期刊论文数量(0)
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会议论文数量(0)
专利数量(0)
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John Hutchinson其他文献
Heat pump detection from coarse grained smart meter data with positive and unlabeled learning
通过积极且未标记的学习从粗粒度智能电表数据进行热泵检测
- DOI:
- 发表时间:
2013 - 期刊:
- 影响因子:0
- 作者:
Hongliang Fei;Younghun Kim;S. Sahu;M. Naphade;Sanjay K. Mamidipalli;John Hutchinson - 通讯作者:
John Hutchinson
History and National Destiny
历史与民族命运
- DOI:
- 发表时间:
2004 - 期刊:
- 影响因子:0
- 作者:
M. Guibernau;John Hutchinson - 通讯作者:
John Hutchinson
Does a stiffer construct improve deformity correction in adolescent idiopathic scoliosis?
- DOI:
10.1016/j.ijsu.2014.08.070 - 发表时间:
2014-11-01 - 期刊:
- 影响因子:
- 作者:
Duncan Meikle;Andrew Miller;Islam Kethan;Sean Grannum;Steve Morris;John Hutchinson;Ian Nelson - 通讯作者:
Ian Nelson
The role of oblique spinous process abutment in the pathogenesis of degenerative lumbar scoliosis: an in vitro study
- DOI:
10.1016/j.spinee.2014.12.063 - 发表时间:
2015-03-02 - 期刊:
- 影响因子:
- 作者:
Alex Torrie;Ian Harding;John Hutchinson;Ian Nelson;Michael Adams;Patricia Dolan - 通讯作者:
Patricia Dolan
Dynasty of the plastic fish
塑料鱼的王朝
- DOI:
10.1038/nature13743 - 发表时间:
2014-08-27 - 期刊:
- 影响因子:48.500
- 作者:
John Hutchinson - 通讯作者:
John Hutchinson
John Hutchinson的其他文献
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{{ truncateString('John Hutchinson', 18)}}的其他基金
The evolution of terrestrial locomotor performance in early tetrapod vertebrates
早期四足脊椎动物陆地运动性能的进化
- 批准号:
NE/K004751/1 - 财政年份:2013
- 资助金额:
$ 23.84万 - 项目类别:
Research Grant
Towards the chicken of the future: biomechanical compromises and constraints on locomotion and breathing in broiler chickens
走向未来的鸡:肉鸡运动和呼吸的生物力学妥协和限制
- 批准号:
BB/I02204X/1 - 财政年份:2011
- 资助金额:
$ 23.84万 - 项目类别:
Research Grant
Comparative biomechanics and pathology of mammalian feet
哺乳动物足部的比较生物力学和病理学
- 批准号:
BB/H002782/1 - 财政年份:2009
- 资助金额:
$ 23.84万 - 项目类别:
Research Grant
Locomotion in the earliest tetrapods: testing models of terrestriality
最早的四足动物的运动:测试陆地性模型
- 批准号:
NE/G005877/1 - 财政年份:2009
- 资助金额:
$ 23.84万 - 项目类别:
Research Grant
Phylogenetic structural scaling of the appendicular skeleton: relationship with loading regime and locomotor behaviour
附肢骨骼的系统发育结构尺度:与负荷状态和运动行为的关系
- 批准号:
BB/F000863/1 - 财政年份:2008
- 资助金额:
$ 23.84万 - 项目类别:
Research Grant
SGER: Formation and Evolution of Localized Structures
SGER:局部结构的形成和演化
- 批准号:
0736019 - 财政年份:2007
- 资助金额:
$ 23.84万 - 项目类别:
Standard Grant
GK-12 Environment, Materials Science, and Information Technology Themes in Eighth, Ninth and Tenth Grades
GK-12 八、九、十年级环境、材料科学和信息技术主题
- 批准号:
0086387 - 财政年份:2001
- 资助金额:
$ 23.84万 - 项目类别:
Continuing Grant
Postdoctoral Research Fellowship in Biological Informatics for FY2001
2001财年生物信息学博士后研究奖学金
- 批准号:
0107574 - 财政年份:2001
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$ 23.84万 - 项目类别:
Fellowship Award
Mechanics and Micromechanics of Interfaces and Joints
界面和接头的力学和微观力学
- 批准号:
9634632 - 财政年份:1996
- 资助金额:
$ 23.84万 - 项目类别:
Continuing Grant
Studies in Fracture and Materials Mechanics
断裂与材料力学研究
- 批准号:
9020141 - 财政年份:1991
- 资助金额:
$ 23.84万 - 项目类别:
Continuing Grant
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