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2025-12
Volume 11, issue 04
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ISSN: 2274-0422

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bony labyrinth (14) , inner ear (11) , geometric morphometrics (10) , CT-scan (10) , Eocene (10) , Micro-CT (9) , Miocene (8)

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Lionel Hautier (24) , Maëva Judith Orliac (23) , Laurent Marivaux (18) , Renaud Lebrun (14) , Rodolphe Tabuce (14) , Pierre-Olivier Antoine (13) , Bastien Mennecart (13)

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ISEM, Montpellier (385) , LBBE, Villeurbanne, France (66) , no collection. (61) , MUSM, Lima (60) , NHM, London (54) , MNHN, Paris (43) , NMB, Basel (41)

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M3#713

Right lower molar (m1 or m2). The specimen was scanned with a resolution of 4.5 µm using a μ-CT-scanning station EasyTom 150 / Rx Solutions (Montpellier RIO Imaging, ISE-M, Montpellier, France). AVIZO 7.1 (Visualization Sciences Group) software was used for visualization, segmentation, and 3D rendering. This isolated tooth was prepared within a “labelfield” module of AVIZO, using the segmentation threshold selection tool.

Data citation: Laurent Marivaux Logo, Jorge Velez-Juarbe Logo and Pierre-Olivier Antoine Logo, 2021. M3#713. doi: 10.18563/m3.sf.713

Model solid/transparent

Download 3D model
Specimen infos
Collection
Collection : Natural History Museum of Los Angeles County (LACM), Los Angeles, USA

Inventory number : LACM 162449


Information
Sex : indet

Age group : Adult

Age (if applicable) : late Early Oligocene (~29.5 Ma)

Material Type : Isolated tooth

Origin : Río Guatemala, San Sebastián, Puerto Rico

Taxonomy
Class : Mammalia

Order : Rodentia

Family : Geomorpha Geomyina

Genus : Caribeomys

Species :✝merzeraudi


Description
LACM 162449: right lower molar (m1 or m2).

Related article
3D models related to the publication: An unpredicted ancient colonization of the West Indies by North American rodents: dental evidence of a geomorph from the early Oligocene of Puerto Rico
Laurent Marivaux, Jorge Velez-Juarbe and Pierre-Olivier Antoine
Published online: 16/07/2021

Keywords: Caribbean islands; Geomorpha; Paleobiogeography; Paleogene; Rodentia

https://doi.org/10.18563/journal.m3.128

  Abstract

    This contribution provides the raw files for the μCT-scan data and renderings of the three-dimensional digital models of two fossil teeth of a geomyin geomorph rodent (Caribeomys merzeraudi), discovered from lower Oligocene deposits of Puerto Rico, San Sebastian Formation (locality LACM Loc. 8060). These fossils were described, figured and discussed in the following publication: Marivaux et al. (2021), An unpredicted ancient colonization of the West Indies by North American rodents: dental evidence of a geomorph from the early Oligocene of Puerto Rico. Papers in Palaeontology. https://doi.org/10.1002/spp2.1388 


  See original publication
  M3 article infos

Published in Volume 07, issue 03 (2021)
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