[1] Univ Estadual Paulista, Inst Biociencias, Dept Zool, Lab Herpetol, Ave 24A,1515, BR-13506900 Rio Claro, SP, Brazil
[2] Univ Estadual Sudoeste Bahia, Dept Ciencias Biol, Lab Zool Vertebrados, Rua Jose Moreira Sobrinho S-N, BR-45206190 Jequie, BA, Brazil
[3] Univ Estadual Paulista, Inst Biociencias, Dept Biol, Ave 24A,1515, BR-13506900 Rio Claro, SP, Brazil
[4] Consejo Nacl Invest Cient & Tecn, Museo Argentino Ciencias Nat Bernardino Rivadavia, Div Herpetol, Angel Gallardo 470,C1405DJR, Buenos Aires, DF, Argentina
[5] Univ Buenos Aires, Dept Biodiversidad & Biol Expt, Fac Ciencias Exactas & Nat, Buenos Aires, DF, Argentina