Order Xenarthra 
Overview of the order of armadillos, anteaters, and sloths from the Animal Diversity Web.
http://animaldiversity.ummz.umich.edu/chordata/mammalia/xenarthra.htmlOrder Xenarthra
Introduction to the phylogeny of the edentates.
http://users.tamuk.edu/kfjab02/Biology/Mammalogy/systematics/A3edentates.htm
Xenarthra.org
Information about the biology of sloths and other Xenarthrans.
http://www.xenarthra.org/
Order Xenarthra
General description.
http://dromus.nhm.uga.edu/~GMNH/gawildlife/index.php?page=speciespages/order_description&class=Mammalia&order=xenarthra
