Xibalbaonyx

Name: Xibalbaonyx ‭(‬Xibalba claw‭)‬.
Phonetic: Zi-bal-bay-on-iks.
Named By: 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 ‬-‭ ‬2017.
Classification: Chordata,‭ ‬Mammalia,‭ ‬Xenarthra,‭ ‬Pilosa,‭ ‬Megalonychidae.
Species: X.‭ ‬oviceps‭ (‬type‭)‬,‭ X. exinferis, ‬X.‭ ‬microcaninus.
Diet: Herbivore.
Size: Unavailable.
Known locations: Mexico‭ ‬-‭ ‬Yucatan peninsula.
Time period: ‬Late Pleistocene.
Fossil representation: X.‭ ‬oviceps is known from an almost complete skeleton.‭ ‬X.‭ ‬microcaninus known from skull and mandible.

       Xibalbaonyx is a genus of ground sloth that lived in Mexico during the Pleistocene, Many fossils of this ground sloth have been recovered from underwater caves.

Further reading
-‭ ‬Xibalbaonyx oviceps,‭ ‬a new megalonychid ground sloth‭ (‬Folivora,‭ ‬Xenarthra‭) ‬from the Late Pleistocene of the Yucatán Peninsula,‭ ‬Mexico,‭ ‬and its paleobiogeographic significance.‭ ‬-‭ ‬PalZ.‭ ‬91‭ (‬2‭)‬:‭ ‬245‭–‬271.‭ ‬-‭ ‬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 ‬-‭ ‬2017.
-‭ ‬New insights on the paleogeographic distribution of the Late Pleistocene ground sloth genus Xibalbaonyx along the Mesoamerican Corridor.‭ ‬-‭ ‬Journal of South American Earth Sciences.‭ ‬85:‭ ‬108‭–‬120.‭ ‬-‭ ‬Sarah R.‭ ‬Stinnesbeck,‭ ‬Eberhard Frey‭ & ‬Wolfgang Stinnesbeck‭ ‬-‭ ‬2018.
- Life and death of the ground sloth Xibalbaonyx oviceps from the Yucatán Peninsula, Mexico. - Historical Biology: 1–17. - Sarah R. Stinnesbeck, Eberhard Frey, Jerónimo Avilés Olguín, Arturo González González, Adriana Velázquez Morlet & Wolfgang Stinnesbeck - 2020.
- Xibalbaonyx exinferis n. sp. (Megalonychidae), a new Pleistocene ground sloth from the Yucatán Peninsula, Mexico. - Historical Biology: 1–12 - Sarah R. Stinnesbeck, Wolfgang Stinnesbeck, Eberhard Frey, Jerónimo Avilés Olguín & Arturo González González - 2020.

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