The oldest known amniotic embryos suggest viviparity in mesosaurs

Authors :: Graciela Piñeiro
Jorge Ferigolo
Melitta Meneghel
Michel Laurin
Centre de Recherche en Paléontologie - Paris (CR2P)
Muséum national d'Histoire naturelle (MNHN)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)
Source :: Historical Biology, Historical Biology, Taylor & Francis, 2012, 24 (6), pp.620-630. ⟨10.1080/08912963.2012.662230⟩
Publication Year :: 2012
Publisher :: Informa UK Limited, 2012.
Abstract: The earliest undisputed crown-group amniotes date back to the Late Carboniferous, but the fossil record of amniotic eggs and embryos is very sparse, with the oldest described examples being from th...

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