Xibalbaonyx

Zi-bal-bay-on-iks.
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Nisha Yadav

Physicist

Nisha Yadav is a dedicated physicist whose work bridges the gap between physics and paleontology. With a deep interest in the processes that preserve ancient life, she explores how physical principles govern fossilization and the preservation of extinct species.

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Name

Xibalbaonyx ‭(‬Xibalba claw‭)‬.

Phonetic

Zi-bal-bay-on-iks.

Named By

Sarah R.‭ ‬Stinnesbeck,‭ ‬Eberhard Frey,‭ ‬Jer�nimo Av�les Olgu�n,‭ ‬Wolfgang Stinnesbeck,‭ ‬Patrick Zell,‭ ‬Heinrich Mallison,‭ ‬Arturo Gonz�lez Gonz�lez,‭ ‬Eugenio Aceves N��ez,‭ ‬Adriana Vel�zquez Morlet,‭ ‬Alejandro Terrazas Mata,‭ ‬Martha Benavente Sanvicente,‭ ‬Fabio Hering‭ & ‬Carmen Rojas Sandoval‭ ‬-‭ ‬2017.

Classification

Chordata,‭ ‬Mammalia,‭ ‬Xenarthra,‭ ‬Pilosa,‭ ‬Megalonychidae.

Diet

Herbivore.

Species

X.‭ ‬oviceps‭

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.

In Depth

       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 Yucat�n Peninsula,‭ ‬Mexico,‭ ‬and its paleobiogeographic significance.‭ ‬-‭ ‬PalZ.‭ ‬91‭ (‬2‭)‬:‭ ‬245‭–‬271.‭ ‬-‭ ‬Sarah R.‭ ‬Stinnesbeck,‭ ‬Eberhard Frey,‭ ‬Jer�nimo Av�les Olgu�n,‭ ‬Wolfgang Stinnesbeck,‭ ‬Patrick Zell,‭ ‬Heinrich Mallison,‭ ‬Arturo Gonz�lez Gonz�lez,‭ ‬Eugenio Aceves N��ez,‭ ‬Adriana Vel�zquez 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 Yucat�n Peninsula, Mexico. – Historical Biology: 1–17. – Sarah R. Stinnesbeck, Eberhard Frey, Jer�nimo Avil�s Olgu�n, Arturo Gonz�lez Gonz�lez, Adriana Vel�zquez Morlet & Wolfgang Stinnesbeck – 2020. – Xibalbaonyx exinferis n. sp. (Megalonychidae), a new Pleistocene ground sloth from the Yucat�n Peninsula, Mexico. – Historical Biology: 1–12 – Sarah R. Stinnesbeck, Wolfgang Stinnesbeck, Eberhard Frey, Jer�nimo Avil�s Olgu�n & Arturo Gonz�lez Gonz�lez – 2020.

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