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Crania of three fossil Canis lupus from Belgium

Internal tooth structure of Neolithic humans

3D models of cetartiodactyl cervicothoracic vertebrae

Neurocranium and endocranial anatomy of a large Triassic neopterygian.

Comparative anatomy of mice masticatory apparatus.

Most popular keywords

Bony labyrinth (9) , Inner ear (8) , South America (6) , skull (6) , Eocene (5)

Major contributors

Lionel Hautier (11) , Maëva Orliac (11) , Rodolphe Tabuce (8) , Bastien Mennecart (8) , Leonardo Kerber (8)

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3D models related to the publication: Evolutionary Adaptation to Aquatic Lifestyle in Extinct Sloths Can Lead to Systemic Alteration of Bone Structure.
Eli Amson, Guillaume Billet and Christian de Muizon
Keywords: aquatic lifestyle; brain endocast; evolutionary adaptation; olfactory bulbs; Thalassocnus

doi: 10.18563/journal.m3.64

  Abstract

    The present 3D Dataset contains the 3D models analyzed in: Amson et al., Under review. Evolutionary Adaptation to Aquatic Lifestyle in Extinct Sloths Can Lead to Systemic Alteration of Bone Structure doi:10.1098/rspb.2018.0270. 

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Published in Volume 04, issue 01 (2018)
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3D models related to the publication: The hidden teeth of sloths: evolutionary vestiges and the development of a simplified dentition.
Lionel Hautier, Helder Gomes Rodrigues, Guillaume Billet and Robert J. Asher
Keywords: homology; ontogeny; sloths; vestigial teeth

doi: 10.18563/m3.2.2.e1

  Abstract

    This contribution contains the 3D models described and figured in the following publication:  Hautier L., Gomes Rodrigues H., Billet G., Asher R.J., 2016. The hidden teeth of sloths: evolutionary vestiges and the development of a simplified dentition. Scientific Reports. doi: 10.1038/srep27763 

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Published in Volume 02, Issue 02 (2017)
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3D model related to the publication: The inner ear of Megatherium and the evolution of the vestibular system in sloths.
Guillaume Billet, Damien Germain, Irina Ruf, Christian de Muizon and Lionel Hautier
Keywords: Bony labyrinth; Inner ear; Megatherium; Sloth

doi: 10.18563/m3.1.2.e3

  Abstract

    This contribution contains the 3D model described and figured in the following publication: Billet G., Germain D., Ruf I., Muizon C. de, Hautier L. 2013. The inner ear of Megatherium and the evolution of the vestibular system in sloths. Journal of Anatomy 123:557-567, DOI: 10.1111/joa.12114. 

  Specimens

    Megatherium americanum MNHN.F.PAM276 View specimen

    M3#14_MNHN.F.PAM276

    This model corresponds to a virtually reconstructed bony labyrinth of the right inner ear of the skull MNHN-F-PAM 276, attributed to the extinct giant ground sloth Megatherium americanum. The fossil comes from Pleistocene deposits at Rio Salado (Prov. Buenos Aires, Argentina). The bony labyrinth of Megatherium shows semicircular canals that are proportionally much larger than in the modern two-toed and three-toed sloths. The cochlea in Megatherium shows 2.5 turns, which is a rather high value within Xenarthra. Overall, the shape of the bony labyrinth of Megatherium resembles more that of extant armadillos than that of its extant sloth relatives.

    Type: "3D_surfaces"

    3D view: doi: 10.18563/m3.sf14  



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Published in Vol. 01, Issue 02 (2015)
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