Terrestrial origin of viviparity in mesozoic marine reptiles indicated by early triassic embryonic fossils.

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Ryosuke Motani ; Da-yong Jiang ; Andrea Tintori ; Olivier Rieppel ; Guan-bao Chen
  • Publisher: Public Library of Science (PLoS)
  • Journal: PLoS ONE, volume 9, issue 2 (issn: 1932-6203, eissn: 1932-6203)
  • Related identifiers: doi: 10.1371/journal.pone.0088640, pmc: PMC3922983
  • Subject: Research Article | Biology | Earth Sciences | Paleobiology | Veterinary Science | Developmental Biology | Terrestrial Environments | Ecological Environments | Medicine | Vertebrate Paleontology | Marine Biology | Q | Ecology | R | Evolutionary Biology | Paleontology | Animal Types | Science | Embryology | Terrestrial Ecology

Viviparity in Mesozoic marine reptiles has traditionally been considered an aquatic adaptation. We report a new fossil specimen that strongly contradicts this traditional interpretation. The new specimen contains the oldest fossil embryos of Mesozoic marine reptile that... View more
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