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Xibalbaonyx oviceps, a new megalonychid ground sloth (Folivora, Xenarthra) from the Late Pleistocene of the Yucatán Peninsula, Mexico, and its paleobiogeographic significance

Here we describe a new genus and species of giant ground sloth, Xibalbaonyx oviceps (Megalonychidae, Xenarthra), from the drowned cave system of the northeastern Yucatán Peninsula. The specimen is Late Pleistocene in age and was discovered in the Zapote sinkhole (cenote) near Puerto Morelos in the...

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Hauptverfasser: Stinnesbeck, Sarah (VerfasserIn) , Stinnesbeck, Wolfgang (VerfasserIn) , Zell, Patrick (VerfasserIn) , Hering, Fabio (VerfasserIn)
Dokumenttyp: Article (Journal)
Sprache:Englisch
Veröffentlicht: 22 May 2017
In: Paläontologische Zeitschrift
Year: 2017, Jahrgang: 91, Heft: 2, Pages: 245-271
ISSN:1867-6812
DOI:10.1007/s12542-017-0349-5
Online-Zugang:Verlag, Volltext: http://dx.doi.org/10.1007/s12542-017-0349-5
Verlag, Volltext: https://link.springer.com/article/10.1007/s12542-017-0349-5
Volltext
Verfasserangaben:Sarah R. Stinnesbeck, Eberhard Frey, Jerónimo Avíles Olguín, Wolfgang Stinnesbeck, Patrick Zell, Heinrich Mallison, Arturo González González, Eugenio Aceves Núñez, Adriana Velázquez Morlet, Alejandro Terrazas Mata, Martha Benavente Sanvicente, Fabio Hering, Carmen Rojas Sandoval
Beschreibung
Zusammenfassung:Here we describe a new genus and species of giant ground sloth, Xibalbaonyx oviceps (Megalonychidae, Xenarthra), from the drowned cave system of the northeastern Yucatán Peninsula. The specimen is Late Pleistocene in age and was discovered in the Zapote sinkhole (cenote) near Puerto Morelos in the Mexican state of Quintana Roo. Xibalbaonyx oviceps differs significantly from all hitherto known Megalonychidae including those from the Greater Antilles and South America. The new taxon suggests a local Caribbean radiation of ground sloths during the Late Pleistocene, which is consistent with the dispersal of the group along a Mexican corridor.
Beschreibung:Gesehen am 22.02.2018
Beschreibung:Online Resource
ISSN:1867-6812
DOI:10.1007/s12542-017-0349-5

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