Check List (Aug 2012)
Hydrodynastes melanogigas Franco, Fernandes and Bentim, 2007 (Squamata: Serpentes: Colubridae): range extension and new state record
Abstract
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Two specimens of the poorly known Colubridae snake Hydrodynastes melanogigas were collected in the municipality of Carolina, southwestern state of Maranhão in gallery forests on the Tocantins River. These records represent the northernmost locality for the species.