Xibalbaonyx oviceps

[surroundx]

Stinnesbeck, Sarah R. et al. (2017). Xibalbaonyx oviceps, a new megalonychid ground sloth (Folivora, Xenarthra) from the Late Pleistocene of the Yucatán Peninsula, Mexico, and its paleobiogeographic significance. Paläontologische Zeitschrift 91(2): 245-271. [Abstract]

[surroundx]

A candidate for the Pleistocene/Holocene border extinctions board:

"Collecting more bones will give the scientists more information about what the giant sloth was like while it was alive, including its size, but for now the INAH has reported that this particular animal lived between 10,647 BCE and 10,305 BCE."

www.ibtimes.com/fossil-12000-year-old-giant-sloth-discovered-underwater-cave-2579799

[surroundx]

[surroundx]

Stinnesbeck, Sarah R. et al. (2018). 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. [Abstract]