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Work cat.: (OSt)235208: Santos, Geraldo Mendes dos, Novas Occorências de Gnathodolus Bidens, Synaptolaemus Cingulatus e Descriçâo de Duas Espécies Novas de Sartor - Characiformes, Anostomidae - = New Occurences for Gnathodolus Bidens and Synaptolaemus Cingulatus and Descriptions of Two New Species of Sartor - Characiformes, Anostomidae -