Order primates (primates) - Rylands, Anthony B; Valladares-Padua, Cláudio; Rocha e Silva, Roberto; Boere, Vanner; Catão-Dias, José Luiz; Pissinatti, Alcides; Guimarães, Marcelo Alcindo de Barros Vaz (Biology, medicine, and surgery of south american wild animals, 2001)