Skull of Mylodon darwinii in lateral view
Reinhardt, J. T
<a rel="nofollow" class="external free" href="http://www.slothsearch.com/about/research/taxonomy">http://www.slothsearch.com/about/research/taxonomy</a> Reinhardt, J. T. 1879. Description of the skull of a giant sloth, Grypotherium darwini. Videnskavernes Selskabs Skrifter. 5 Raekke.Naturvidensakbelig og Mathematisk Afdeling 12:351–381