globalchange  > 过去全球变化的重建
DOI: 10.1371/journal.pone.0128610
论文题名:
Evidence of Egg Diversity in Squamate Evolution from Cretaceous Anguimorph Embryos
作者: Vincent Fernandez; Eric Buffetaut; Varavudh Suteethorn; Jean-Claude Rage; Paul Tafforeau; Martin Kundrát
刊名: PLOS ONE
ISSN: 1932-6203
出版年: 2015
发表日期: 2015-7-15
卷: 10, 期:7
语种: 英语
英文关键词: Embryos ; Skull ; Vertebrae ; Diffraction ; Fossils ; Mandible ; Teeth ; Calcite
英文摘要: Lizards are remarkable amongst amniotes, for they display a unique mosaic of reproduction modes ranging from egg-laying to live-bearing. Within this patchwork, geckoes are believed to represent the only group to ever have produced fully calcified rigid-shelled eggs, contrasting with the ubiquitous parchment shelled-eggs observed in other lineages. However, this hypothesis relies only on observations of modern taxa and fossilised gecko-like eggshells which have never been found in association with any embryonic or parental remains. We report here the first attested fossil eggs of lizards from the Early Cretaceous of Thailand, combining hard eggshells with exquisitely preserved embryos of anguimoph (e.g. Komodo dragons, mosasaurs). These fossils shed light on an apparently rare reproduction strategy of squamates, demonstrate that the evolution of rigid-shelled eggs are not an exclusive specialization of geckoes, and suggest a high plasticity in the reproductive organs mineralizing eggshells.
URL: http://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0128610&type=printable
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/22386
Appears in Collections:过去全球变化的重建
影响、适应和脆弱性
科学计划与规划
气候变化与战略
全球变化的国际研究计划
气候减缓与适应
气候变化事实与影响

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作者单位: European Synchrotron Radiation Facility, 71 rue des Martyrs, 38043, Grenoble, France;Evolutionary Studies Institute, University of the Witwatersrand, Wits 2050, Johannesburg, South Africa;CNRS (Centre National de la Recherche Scientifique) UMR (Unité Mixte de Recherche) 8538, Laboratoire de Géologie de l’Ecole Normale Supérieure, 24, Rue Lhomond, 75231, Paris, France;Palaeontological Research and Education Centre, Mahasarakham University, Khamrieng Sub-district, Kantharawichai District, Maha Sarakham Province, 44150, Thailand;Sorbonne Universités—CR2P - MNHN, CNRS, UPMC-Paris6, Muséum national d’Histoire Naturelle, 57 rue Buffon, CP 38, 75005, Paris, France;European Synchrotron Radiation Facility, 71 rue des Martyrs, 38043, Grenoble, France;Subdepartment of Development and Evolution, Department of Organismal Biology, Evolutionary Biology Centre, Uppsala University, Norbyvägen 18A, 752 36, Uppsala, Sweden;Department of Biomathematics, Institute of Physiology, Academy of Sciences of the Czech Republic, Vídeňská 1083, 142 20, Praha, Czech Republic

Recommended Citation:
Vincent Fernandez,Eric Buffetaut,Varavudh Suteethorn,et al. Evidence of Egg Diversity in Squamate Evolution from Cretaceous Anguimorph Embryos[J]. PLOS ONE,2015-01-01,10(7)
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