xenarthrans

Seventy-two species of mammals occur in this ecoregion including four marsupials, seventeen chiropterans, five xenarthrans, seventeen carnivores, two artiodactyls, and twenty rodents.

Uruguayan savanna 2007

This is called the ungual crest and helps anchor the keratinous covering of the claw onto the ungual: it's present in some sloths and anteaters too, and outside of xenarthrans is seen in cats.

ScienceBlogs Channel : Life Science 2008

Armadillo skeletons - like those of all xenarthrans - are so weird and unfamiliar to us euarchontogliran laurasiatheres that it would be easy to write thousands of words on their weirdness.

ScienceBlogs Channel : Life Science 2008

This surprises me because I’d always imagined that these were the least interesting mammals: way outclassed by marsupials, monotremes, pangolins, bats and xenarthrans.

Archive 2007-01-01 Darren Naish 2007

This surprises me because I’d always imagined that these were the least interesting mammals: way outclassed by marsupials, monotremes, pangolins, bats and xenarthrans.

Happy first birthday Tetrapod Zoology (part II) Darren Naish 2007

Furthermore, while Fox et al. (1992) were careful to exclude other possible contenders (including crocodyliforms, pterosaurs, lizards, xenarthrans and mesonychians) there were a number of Palaeogene mammal groups that they didn’t exclude, and it would have been more convincing had it been shown that these taxa could also be eliminated from comparison (H. - D. Sues, pers. comm.).

Archive 2006-05-01 Darren Naish 2006