It refers to the extra joints present in the lower spines of all xenarthrans. The name ‘Xenarthra’ means ‘strange joints’. The order Pilosa is divided into two suborders: Folivora, which includes the sloths and their extinct relatives and Vermilingua, which contains today’s anteaters.The order Cingulata contains today’s armadillos and their extinct relatives.The superorder Xenarthra contains two orders: Cingulata and Pilosa. You can find out what makes a mammal a mammal here: Mammals: The Ultimate Guide.You can find out more about animal groups such as classes, orders and families on this page: Animal Classification. ![]() The superorder Xenarthra is part of the class Mammalia, to which all of the world’s mammals belong. Xenarthra is a ‘superorder’ – a group of related animals that contains other, smaller groups of even more closely-related animals.Ī superorder is itself a subset of a larger group of animals. What Is Xenarthra? Xenarthra is the group of mammals that contains the sloths, anteaters and armadillos. Further down the page we’ll explore these shared characteristics to find out what makes a xenarthran a xenarthran. Over many thousands of years sloths, armadillos and anteaters have diversified away from their common ancestor to become the animals we know today.ĭespite this, they still share many characteristics that reveal their shared origins. ArmadilloĪlthough at first glance they don’t seem to have much in common, these three groups of mammals actually share a common ancestor and are therefore more closely related to each other than they are to other mammals. They have adapted to different lifestyles and are found in different habitats. Today’s sloths, armadillos and anteaters are quite different from one another. ![]() Although at one time xenarthrans were found throughout the Americas, today only one xenarthran, the nine-banded armadillo, is found as far north as the United States. ![]() The xenarthrans originated in South America around 59 million years ago. Xenarthra is the animal group which includes the sloths, armadillos and anteaters. Discover the group of mammals which includes the anteaters, armadillos and sloths… Xenarthra Facts Xenarthra facts, pictures and information.
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