Morphological similarities between Amphisbaena mitchelli Procter, 1923 and A. miringoera Vanzolini, 1971 (Squamata: Amphisbaenidae): phylogenetic relatedness or morphological convergence? - Almeida, João Paulo Felix Augusto de; Dal Vechio, Francisco; Teixeira Jr., Mauro; Rodrigues, Miguel Trefaut; Mott, Tamí (Zootaxa, 2016)