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2023-06
Volume 09, issue 02
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ISSN: 2274-0422

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bony labyrinth (11) , inner ear (9) , South America (8) , Eocene (8) , skull (7) , Paleobiogeography (6) , brain (6)

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Maëva Judith Orliac (16) , Lionel Hautier (14) , Bastien Mennecart (12) , Pierre-Olivier Antoine (9) , Leonardo Kerber (9) , Rodolphe Tabuce (9) , Laurent Marivaux (9)

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ISEM, Montpellier (210) , no collection. (61) , CARC, Kyoto (37) , Zürich Zool. Museum (36) , NMB, Basel (30) , MUSM, Lima (29) , MNHN, Paris (26)

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M3#421

petrosal bone

Data citation: Maëva J. Orliac, Catherine Orliac, Michel C. Orliac and Antoine Hautin, 2020. M3#421. doi: 10.18563/m3.sf.421

Model solid/transparent

Flags:
anterior pedicle basis, anterior process, area cribrosa media, area cribrosa superior, facial foramen, fenestra cochleae, fenestra vestibuli, foramen singulare, fossa for stapedial muscle, fossa for the malleus, fossa incudis, fovea epitubaria, posterior bullar facet, posterior process, promontorium, tractus spiralis foraminosus, vestibular aqueduct, vestibular aqueduct

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Specimen infos
Collection
Collection : Sebastian Englert Museum, Hanga Roa, Rapanui

Inventory number : AT1


Information
Sex : indet

Age group : Adult

Age (if applicable) :

Material Type : petrosal, in situ stapes

Origin : Easter Island

Taxonomy
Class : Mammalia

Order : Cetartiodactyla

Family : Delphinidae

Genus : indet.

Species :indet.


Description
right petrosal bone with in situ stapes

Related article
A delphinid petrosal bone from a gravesite on Ahu Tahai, Easter Island: taxonomic attribution, external and internal morphology.
Maëva J. Orliac, 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

  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.

      


  M3 article infos

Published in Volume 06, issue 02 (2020)
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