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M3#712_LACM 162478

Right lower dp4: isolated deciduous premolar. The specimen was scanned with a resolution of 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: MARIVAUX L., Vélez-Juarbe J., ANTOINE P.-O., 2021. M3#712_LACM 162478. doi: 10.18563/m3.sf.712

Model solid/transparent

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Specimen infos
Collection

Information
Sex : indet

Age group : Neonate

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 162478: right lower dp4

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 Vélez-Juarbe and Pierre-Olivier ANTOINE
Keywords: Caribbean islands; Geomorpha; Paleobiogeography; Paleogene; Rodentia

doi: 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 


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