Gomes, J.O. and Maciel, A.O. 2012. A new species of Amphisbaena Linnaeus (Squamata, Amphisbaenidae) from the state of Maranhão, northern Brazilian Cerrado. Zootaxa. 3572, 1 (Dec. 2012), 43–54. DOI:https://doi.org/10.11646/zootaxa.3572.1.6.