Ugalde, Miguel R., et al. “First Record of Chironius Brazili Hamdan & Fernandes, 2015 (Squamata, Colubridae) for the State of Tocantins and the North Region of Brazil”. Herpetologia Brasileira, vol. 13, nº 1, maio de 2026, p. 140-6, https://doi.org/10.5281/zenodo.1330816.