Pujos, François; Salas, Rodolfo. A new species of Megatherium (Mammalia: Xenarthra: Megatheriidae) from the Pleistocene of Sacaco and Tres Ventanas, Peru. Palaeontology. 2004, 47 (3): 579–604. doi:10.1111/j.0031-0239.2004.00376.x.
Pujos, François. Megatherium celendinense sp. nov. from the Pleistocene of the Peruvian Andes and the phylogenetic relationships of Megatheriines. Palaeontology. 2006, 49 (2): 285–306. doi:10.1111/j.1475-4983.2006.00522.x.