Plik:Perimys tooth.png (2022-09-30). "Fossil vertebrates of the early-middle Miocene Cerro Boleadoras Formation, northwestern Santa Cruz Province, Patagonia, Argentina". Andean
Plik:Prepoplanops calcaneum.pngKay, R. F. (2022). Fossil vertebrates of the early-middle Miocene Cerro Boleadoras Formation, northwestern Santa Cruz Province, Patagonia, Argentina. Andean