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A new fossil peccary from the Pleistocene-Holocene boundary of the eastern Yucatán Peninsula, Mexico

Here we describe the left mandibular ramus of a fossil peccary from the submerged karst cave system in the southeastern Mexican state of Quintana Roo. The specimen, which was discovered in the Muknal cave northwest of Tulúm, is a new genus and species of peccary termed Muknalia minima. The taxon li...

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Hauptverfasser: Stinnesbeck, Sarah (VerfasserIn) , Stinnesbeck, Wolfgang (VerfasserIn)
Dokumenttyp: Article (Journal)
Sprache:Englisch
Veröffentlicht: 2017
In: Journal of South American earth sciences
Year: 2016, Jahrgang: 77, Pages: 341-349
ISSN:0895-9811
DOI:10.1016/j.jsames.2016.11.003
Online-Zugang:Verlag, Volltext: http://dx.doi.org/10.1016/j.jsames.2016.11.003
Verlag, Volltext: http://www.sciencedirect.com/science/article/pii/S089598111630222X
Volltext
Verfasserangaben:Sarah R. Stinnesbeck, Eberhard Frey, Wolfgang Stinnesbeck, Jeronimo Avíles Olguín, Patrick Zell, Alejandro Terrazas Mata, Martha Benavente Sanvicente, Arturo González González, Carmen Rojas Sandoval, Eugenio Acevez Nuñez
Beschreibung
Zusammenfassung:Here we describe the left mandibular ramus of a fossil peccary from the submerged karst cave system in the southeastern Mexican state of Quintana Roo. The specimen, which was discovered in the Muknal cave northwest of Tulúm, is a new genus and species of peccary termed Muknalia minima. The taxon likely dates from the latest Pleistocene and differs significantly from all extant peccaries and their Pleistocene relatives by a concave notch at the caudal edge of the mandibular ramus and prominent ventrally directed angular process. These diagnostic osteological differences suggest that the masticatory apparatus differed from all other peccaries, which may hint to an ecological isolation on the late Pleistocene Yucatán Peninsula.
Beschreibung:Available online 18 November 2016
Gesehen am 01.09.2020
Beschreibung:Online Resource
ISSN:0895-9811
DOI:10.1016/j.jsames.2016.11.003

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