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ISSN: 2274-0422

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in situ bony labyrinth

Data citation: Maëva J. Orliac Logo, Catherine Orliac, Michel C. Orliac and Antoine Hautin, 2020. M3#422. doi: 10.18563/m3.sf.422

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

Inventory number : AT1

Sex : indet

Age group : Adult

Age (if applicable) :

Material Type : petrosal, in situ stapes

Origin : Easter Island

Class : Mammalia

Order : Cetartiodactyla

Family : Delphinidae

Genus : indet.

Species :indet.

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


    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.


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Published in Volume 06, issue 02 (2020)