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M3#857_MA PHQ 716

endocast of the brain cavity

Data citation: Orliac M., Bouaziz H., Weppe R., 2021. M3#857_MA PHQ 716. doi: 10.18563/m3.sf.857

Model solid/transparent

Flags:
cerebellar hemisphere, circular fissure, coronolateral sulcus, foramen ovale cast, hypoglosal foramen, internal acoustic meatus cast, jugular foramen, medula oblongata, mesencephalon, oblic sulcus, olfactory bulbs, optic chiasma, orbitotemporal canal, parafloccular lobe, presylvia, rhinal fissure, sphenorbital fissure, superior petrosal sinus, superior sagital sinus, suprasylvia, vermis

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Specimen infos
Collection
Collection : Muséum d'Histoire Naturelle Victor Brun, Montauban, France.

Inventory number : MA PHQ 716


Information
Sex : indet

Age group : Adult

Age (if applicable) : Late Eocene

Material Type : partial cranium

Origin : Quercy phosphorites, France

Taxonomy
Class : Mammalia

Order : Cetartiodactyla

Family : Mixtotheriidae

Genus : Mixtotherium

Species :cuspidatum


Description
Partial cranium preserving the braincase

Related article
Brain damage: the endocranial cast of Mixtotherium cuspidatum (Mammalia, Artiodactyla) from the Victor Brun Museum (Montauban, France)
Maëva Orliac, Hugo Bouaziz and Romain Weppe
Published online: 2021-11-25

Keywords: artiodactyl; Late Eocene; Quercy

doi: 10.18563/journal.m3.158

  Abstract

    Our knowledge of the external brain morphology of the late Eocene artiodactyl ungulate Mixtotherium, relies on a plaster model realized on a specimen from the Victor Brun Museum in Montauban (France) and described by Dechaseaux (1973). Here, based on micro CT-scan data, we virtually reconstruct the 3D cast of the empty cavity of the partial cranium MA PHQ 716 from the Victor Brun Museum and compare it to the plaster model illustrated and described by Dechaseaux (1973). Indeed, the specimen from which the original plaster endocast originates was not identified by Dechaseaux by a specimen number. We confirm here that the studied specimen was indeed the one described and illustrated by Dechaseaux (1973). We also reconstruct a second, more detailed, model providing additional morphological and quantitative observations made available by micro CT scan investigation such as precisions on the neopallium folding and endocranial volumes.
      


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