TY - JOUR T1 - On the generic classification of the rattlesnakes, with special reference to the Neotropical Crotalus durissus complex (Squamata: Viperidae) JO - Zoologia (Curitiba) A1 - Wüster, Wolfgang A1 - Bérnils, Renato S SN - 1984-4670 UL - 10.1590/S1984-46702011000400001 VL - 28 Y1 - 2011 PB - Brazil ER -