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A delphinid petrosal bone from a gravesite on Ahu Tahai, Easter Island: taxonomic attribution, external and internal morphology.
Maëva Orliac, Catherine Orliac, Michel C. Orliac and Antoine Hautin
Keywords: bony labyrinth; petrosal; Rapanui; Stapes; vestibulo cochlear nerve

doi: 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.

      

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3D models related to the publication: Early Evolution of the Ossicular Chain in Cetacea: Into the Middle Ear Gears of a Semi-Aquatic Protocetid Whale
Mickaël Mourlam and Maëva Orliac
Keywords: archaeocete; incus; malleus; Stapes

doi: 10.18563/journal.m3.94

  Abstract

    This contribution contains the 3D models of the ossicles of a protocetid archaeocete from the locality of Kpogamé, Togo, described and figured in the publication of Mourlam and Orliac (2019). 

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Published in Volume 05, issue 04 (2019)

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