IVPP-IR  > 中科院古脊椎所(2000年以后)
Inner ear sensory system changes as extinct crocodylomorphs transitioned from land to water
Schwab, Julia A.1; Young, Mark T.1; Neenan, James M.2; Walsh, Stig A.1,3; Witmer, Lawrence M.4; Herrera, Yanina5; Allain, Ronan6; Brochu, Christopher A.7; Choiniere, Jonah N.8; Clark, James M.9; Dollman, Kathleen N.10,11; Etches, Steve12; Fritsch, Guido13; Gignac, Paul M.14; Ruebenstahl, Alexander15; Sachs, Sven16; Turner, Alan H.17; Vignaud, Patrick18; Wilberg, Eric W.19; Xu, Xing; Zanno, Lindsay E.20; Brusatte, Stephen L.
2020-05-12
发表期刊PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
ISSN0027-8424
卷号117期号:19页码:10422-10428
摘要Major evolutionary transitions, in which animals develop new body plans and adapt to dramatically new habitats and lifestyles, have punctuated the history of life. The origin of cetaceans from land-living mammals is among the most famous of these events. Much earlier, during the Mesozoic Era, many reptile groups also moved from land to water, but these transitions are more poorly understood. We use computed tomography to study changes in the inner ear vestibular system, involved in sensing balance and equilibrium, as one of these groups, extinct crocodile relatives called thalattosuchians, transitioned from terrestrial ancestors into pelagic (open ocean) swimmers. We find that the morphology of the vestibular system corresponds to habitat, with pelagic thalattosuchians exhibiting a more compact labyrinth with wider semicircular canal diameters and an enlarged vestibule, reminiscent of modified and miniaturized labyrinths of other marine reptiles and cetaceans. Pelagic thalattosuchians with modified inner ears were the culmination of an evolutionary trend with a long semiaquatic phase, and their pelagic vestibular systems appeared after the first changes to the postcranial skeleton that enhanced their ability to swim. This is strikingly different from cetaceans, which miniaturized their labyrinths soon after entering the water, without a prolonged semiaquatic stage. Thus, thalattosuchians and cetaceans became secondarily aquatic in different ways and at different paces, showing that there are different routes for the same type of transition.
关键词bony labyrinth vestibular system morphology thalattosuchia CT scanning
DOI10.1073/pnas.2002146117
关键词[WOS]EVOLUTION ; RATES ; THALATTOSUCHIA ; BEHAVIOR ; REPTILES ; EOCENE ; SIZE
收录类别SCI
语种英语
资助项目National Natural Science Foundation of China[41688103] ; Humboldt Research Fellowship from the Alexander von Humboldt Foundation ; Leverhulme Trust Research Project[RPG-2017-167] ; Leverhulme Trust Early Career Fellowship[ECF-2017-360] ; ANPCyT[PICTs 2016-0267] ; ANPCyT[2016-1039] ; National Science Foundation[DEB 1754659] ; National Science Foundation[DEB 1754596] ; Carl Gans Fund
WOS研究方向Science & Technology - Other Topics
WOS类目Multidisciplinary Sciences
WOS记录号WOS:000532837500043
出版者NATL ACAD SCIENCES
引用统计
文献类型期刊论文
条目标识符http://119.78.100.205/handle/311034/17465
专题中科院古脊椎所(2000年以后)
通讯作者Schwab, Julia A.
作者单位1.Univ Edinburgh, Grant Inst, Sch GeoSci, Edinburgh EH9 3FE, Midlothian, Scotland
2.Univ Oxford, Museum Nat Hist, Oxford OX1 3PW, England
3.Natl Museum Scotland, Dept Nat Sci, Edinburgh EH1 1JF, Midlothian, Scotland
4.Ohio Univ, Heritage Coll Osteopath Med, Dept Biomed Sci, Athens, OH 45701 USA
5.Natl Univ La Plata, Fac Ciencias Nat & Museo, Museo La Plata, CONICET,Div Paleontol Vertebrados, B-1900 La Plata, Buenos Aires, Argentina
6.Museum Natl Hist Nat, Ctr Rech Paleobiodivers & Les Paleoenvironm, F-75005 Paris, France
7.Univ Iowa, Dept Earth & Environm Sci, Iowa City, IA 52242 USA
8.Univ Witwatersrand, Evolutionary Studies Inst, ZA-2000 Johannesburg, South Africa
9.George Washington Univ, Dept Biol Sci, Washington, DC 20052 USA
10.Univ Witwatersrand, Sch Geosci, ZA-2000 Johannesburg, South Africa
11.Museum Jurass Marine Life, London BH20 5PE, England
12.Leibniz Inst Zoo & Wildlife Res, Dept Reprod Management, D-10315 Berlin, Germany
13.Oklahoma State Univ Ctr Hlth Sci, Dept Anat & Cell Biol, Tulsa, OK 74107 USA
14.Yale Univ, Dept Geol & Geophys, New Haven, CT 06511 USA
15.Nat Kunde Museum Bielefeld, Abt Geowissenschaften, D-33602 Bielefeld, Germany
16.SUNY Stony Brook, Dept Anat Sci, Stony Brook, NY 11794 USA
17.Univ Poitiers, CNRS UMR 7262, Dept Geosci, Lab Paleontol Evolut Paleoecosyst &, F-86073 Poitiers 9, France
18.Chinese Acad Sci, Ctr Excellence Life & Paleoenvironm, Inst Vertebrate Paleontol & Paleoanthropol, Key Lab Vertebrate Evolut & Human Origins, Beijing 100044, Peoples R China
19.North Carolina Museum Nat Sci, Paleontol, Raleigh, NC 27601 USA
20.North Carolina State Univ, Dept Biol Sci, Raleigh, NC 27695 USA
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GB/T 7714
Schwab, Julia A.,Young, Mark T.,Neenan, James M.,et al. Inner ear sensory system changes as extinct crocodylomorphs transitioned from land to water[J]. PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA,2020,117(19):10422-10428.
APA Schwab, Julia A..,Young, Mark T..,Neenan, James M..,Walsh, Stig A..,Witmer, Lawrence M..,...&Brusatte, Stephen L..(2020).Inner ear sensory system changes as extinct crocodylomorphs transitioned from land to water.PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA,117(19),10422-10428.
MLA Schwab, Julia A.,et al."Inner ear sensory system changes as extinct crocodylomorphs transitioned from land to water".PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA 117.19(2020):10422-10428.
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