“EUCHOLOEOPS AMEGHINO, 1887, IS THE CORRECT GENERIC NAME OF THE BASAL MEGALONYCHIDAE (MAMMALIA, XENARTHRA, MEGATHERIOIDEA) SLOTH FROM THE SANTA CRUZ FORMATION (UPPER LOWER MIOCENE) OF ARGENTINA”. 2011. Ameghiniana 48 (2): 270-71. https://ameghiniana.org.ar/index.php/ameghiniana/article/view/453.