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November 2017
Volume 03, Issue 03
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ISSN: 2274-0422
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MorphoMuseuM Volume 03, Issue 03:November 2017

Table of contents


  Anatomy atlas
MicroCT survey of larval skeletal mineralization in the Cuban gar Atractosteus tristoechus (Actinopterygii; Lepisosteiformes)
Raphaël Scherrer, Andrés Hurtado, Erik Garcia Machado and Mélanie Debiais-Thibaud
Keywords: Actinopterygii; development; Lepisosteiformes; mineralization; skeleton

doi: 10.18563/m3.3.3.e3

  Abstract

    Using X-ray microtomography, we describe the ossification events during the larval development of a non-teleost actinopterygian species: the Cuban gar Atractosteus tristoechus from the order Lepisosteiformes. We provide a detailed developmental series for each anatomical structure, covering a large sequence of mineralization events going from an early stage (13 days post-hatching, 21mm total length) to an almost fully ossified larval stage (118dph or 87mm in standard length). With this work, we expect to bring new developmental data to be used in further comparative studies with other lineages of bony vertebrates. We also hope that the on-line publication of these twelve successive 3D reconstructions, fully labelled and flagged, will be an educational tool for all students in comparative anatomy. 

  Specimens
 
  M3 article infos

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  3D datasets
3D model related to the publication: Marine Early Triassic Actinopterygii from Elko County (Nevada, USA): implications for the Smithian equatorial vertebrate eclipse
Carlo Romano, James F. Jenks, Romain Jattiot, Torsten M. Scheyer, Kevin G. Bylund and Hugo Bucher
Keywords: Actinopterygii; Early Triassic; Nevada; Osteichthyes; Smithian

doi: 10.18563/m3.3.3.e1

  Abstract

    The presented dataset contains the 3D surface scan of the holotype of Birgeria americana, a partial skull described and depicted in: Romano, C., Jenks, J.F., Jattiot, R., Scheyer, T.M., Bylund, K.G. & Bucher, H. 2017. Marine Early Triassic Actinopterygii from Elko County (Nevada, USA): implications for the Smithian equatorial vertebrate eclipse. Journal of Paleontology. https://doi.org/10.1017/jpa.2017.36

  Specimens

    Birgeria americana NMMNH P-66225 View specimen

    M3#175_NMMNH P-66225

    NMMNH P-66225 is from upper lower Smithian to lower upper Smithian beds (Thaynes Group). The collecting site is located about 2.75 km south-southeast of the Winecup Ranch, east-central Elko County, Nevada, USA. P-66225 is a partial skull preserved within a large limestone nodule, with its right side exposed. It preserves the portion between the cleithrum posteriorly, and the level of the hind margin of the orbital opening anteriorly. The fossil has a length of 26 cm.

    Type: "3D_surfaces"

    3D view: doi: 10.18563/m3.sf.175  




    Download 3D data


 
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  M3 article infos

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3D model and accompanying dataset related to the publication: A new, exceptionally preserved juvenile specimen of Eusaurosphargis dalsassoi (Diapsida) and implications for Mesozoic marine diapsid phylogeny
Torsten M. Scheyer, James, M. Neenan, Timea Bodogan, Heinz Furrer, Christian Obrist and Mathieu Plamondon
Keywords: Ladinian; marine reptiles; osteology; postcranium; Prosanto Formation; Switzerland

doi: 10.18563/m3.3.3.e2

  Abstract

    The present contribution contains the 3D model and dataset analyzed in the following publication: Scheyer, T. M., J. M. Neenan, T. Bodogan, H. Furrer, C. Obrist, and M. Plamondon. 2017. A new, exceptionally preserved juvenile specimen of Eusaurosphargis dalsassoi (Diapsida) and implications for Mesozoic marine diapsid phylogeny. Scientific Reports, https://doi.org/10.1038/s41598-017-04514-x

  Specimens
 
  See original publication
  M3 article infos

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3D models related to the publication: The first French tragulid skull (Mammalia, Ruminantia, Tragulidae) and associated tragulid remains from the Middle Miocene of Contres (Loir-et-Cher, France)
Bastien Mennecart, Adrien de Perthuis and Loïc Costeur
Keywords: comparative anatomy; CT-scan; ear region; MN5; systematics

doi: 10.18563/m3.3.3.e4

  Abstract

    This contribution contains the 3D models described and figured in the following publication: Mennecart B., de Perthuis Ad., Rössner G.E., Guzmán J.A., de Perthuis Au., Costeur L. The first French tragulid skull (Mammalia, Ruminantia, Tragulidae) and associated tragulid remains from the Middle Miocene of Contres (Loir-et-Cher, France). Comptes Rendus Palévol. https://doi.org/10.1016/j.crpv.2017.08.004 

  Specimens

    Dorcatherium crassum NMB Fa.213.abg View specimen

    M3#181_NMB Fa.213

    The 3D surface files of the specimen NMB Fa.213 are the reconstructions of the main skull fragments, the right petrosal bone, and the left bony labyrinth.

    Type: "3D_surfaces"

    3D view: doi: 10.18563/m3.sf.181  




    Download 3D data


 
  M3 article infos

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