M. T. Rodrigues and F. A. Juncá, “ Herpetofauna of the quaternary sand dunes of the middle Rio São Francisco: Bahia: Brazil. VII.: Typhlops amoipira sp. nov., a possible relative of Typhlops yonenagae (Serpentes, Typhlopidae) ”, Pap. Avulsos Zool., vol. 42, no. 13, pp. 325–333, Nov. 2002, doi: 10.1590/S0031-10492002001300001.