Distribution extension for Hydrodynastes melanogigas Franco, Fernandes & Bentim, 2007 (Serpentes: Dipsadidae: Xenodontinae) in the Araguaia-Tocantins basin, Brazilian Cerrado

We present new records for Hydrodynastes melanogigas Franco, Fernandes & Bentim, 2007, from eastern Mato Grosso state, Central Brazil. The four specimens found in the municipalities of Novo Santo Antonio and Ribeirao Cascalheira represent the first records in the state of Mato Grosso, and expand the species’ known distribution some 380 km southwest