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2020-04
Volume 06, issue 02
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ISSN: 2274-0422

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MorphoMuseuM Volume 06, issue 02
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Original article

A delphinid petrosal bone from a gravesite on Ahu Tahai, Easter Island: taxonomic attribution, external and internal morphology.
Maëva J. Orliac Logo, Catherine Orliac, Michel C. Orliac and Antoine Hautin
Published online: 31/03/2020

Keywords: bony labyrinth; petrosal; Rapanui; stapes; vestibulo cochlear nerve

https://doi.org/10.18563/journal.m3.91

References: 46
Cited by: 4

Cite this article: Maëva J. Orliac, Catherine Orliac, Michel C. Orliac and Antoine Hautin, 2020. A delphinid petrosal bone from a gravesite on Ahu Tahai, Easter Island: taxonomic attribution, external and internal morphology. MorphoMuseuM 6(1)-e91. doi: 10.18563/journal.m3.91

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Abstract

In this contribution, we describe the external and internal morphology of a delphinid petrosal bone collected from Ahu Tahai, a burial site located on the Southwestern coast of Easter Island, at Hangaroa. We discuss the taxonomic attribution of this archaeological item and describe its internal structures based on µCT data, including the bony labyrinth and the nerve and vein patterns. Identification of the nerves exists lead us to relocate the identification of the foramen singulare in delphinid petrosals.

  

Specimens and 3D Data

indet. indet. AT1 View specimen

M3#420

Stapes

Type: "3D_surfaces"

doi: 10.18563/m3.sf.420   state:published




Download 3D surface file

M3#421

petrosal bone

Type: "3D_surfaces"

doi: 10.18563/m3.sf.421   state:published




Download 3D surface file

M3#422

in situ bony labyrinth

Type: "3D_surfaces"

doi: 10.18563/m3.sf.422   state:published




Download 3D surface file

M3#423

bony labyrinth and associated nerves and blood vessels

Type: "3D_surfaces"

doi: 10.18563/m3.sf.423   state:published




Download 3D surface file


 

Published in Volume 06, issue 02 (2020)

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Rachel Racicot (2022). Evolution of whale sensory ecology: Frontiers in nondestructive anatomical investigations. The Anatomical Record. https://doi.org/10.1002/ar.24761

María Alejandra Rosa Esteves-Ponte, Gerardo González-Barba, Francisco Javier García-Rodríguez and John Scheibe (2022). Shape variability in the periotics of odontocetes (Cetacea) distributed along the Pacific coast of northern Mexico. Journal of Mammalogy. https://doi.org/10.1093/jmammal/gyac040

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Olivier Lambert, Gerhard Wanzenböck, Cathrin Pfaff, Stephen Louwye, Jürgen Kriwet and Felix G. Marx (2023). First eurhinodelphinid dolphin from the Paratethys reveals a new family of specialised echolocators. Historical Biology. https://doi.org/10.1080/08912963.2022.2077645

 


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