Xenarthrans constitute one of the most distinctive mammalian clades, with an evolutionary history deeply rooted in South America and a present-day ...
This article was published in Scientific American’s former blog network and reflects the views of the author, not necessarily those of Scientific American Everybody loves sloths, and whenever we talk ...
Gardner, Alfred L. 1993. "Order Xenarthra." In Mammal Species of the World: A Taxonomic and Geographic Reference. Wilson, Don E. and Reeder, D. M., editors. 63–68 ...