Mittermeier, R.A. and Wilson, R.A. (1974) “Redescription of Podocnemis erythrocephala (Spix, 1824), an amazonian pelomedusid turtle”, Papéis Avulsos de Zoologia, 28(1-16 (1974-1975), pp. 147–162. doi:10.11606/0031-1049.1974.28.p147-162.