Frota JG da. New species of Helicops Wagler, 1830 (Serpentes, Colubridae) from Tapajós river, Amazon region, Brazil. Phyllomedusa [Internet]. 2005 Jun. 1 [cited 2024 Jul. 17];4(1):61-7. Available from: https://revistas.usp.br/phyllo/article/view/42636