Jackson, James F. “ Differentiation in the Genera Enyalius and Strobilurus (Iguanidae): Implications for Pleistocene Climatic Changes in Eastern Brazil ”. Arquivos De Zoologia, vol. 30, no. 1, Oct. 1978, pp. 1-79, https://doi.org/10.11606/issn.2176-7793.v30i1p1-79.