Rewriting the armadillo family tree: A new species, plus a name change for the state mammal of Texas

While their scaly armor and long claws look vaguely reptilian, armadillos belong to the same group of mammals as sloths and anteaters. There are nearly two dozen species of armadillos, from six-inch long "pink fairies" to giant armadillos that measure five feet long from snout to tail.