You are currently viewing San Pedro: bones of prehistoric sloths found

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He also assured that between the tissues of his thick skin, “These animals developed these hard balls as a defense strategy against the attack of their predators that were like packets of cells that grew to the size of a bean, and then ended up generating a kind of flexible but very resistant `mesh'”

Aguilar specified that in the place 770 of these tiny bone formations were discovered.

Luciano Brambillaresearcher at Center for Interdisciplinary Studies of the University of Rosariosaid that “the finding in a site of a cluster of osteoderms denotes the presence of a mylodontine-type animal, since these osteoderms covered practically the entire body of that group of giant sloths in Argentina at the end of the Pleistocene.

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“There is evidence of coating on the feet, tail, torso and head. Their precise function is still being reviewed since, in addition to functioning as armor to reinforce the thick skin of these animals, they have been identified as a calcium reserve in these large mammals,” said the scientist.

In the sample, the globose shapes and rounded edges stand out, among which there are exceptions with sharper edges that, together, can help characterize the sloth genus to which they belonged.

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