«First record of predation of Helicops leopardinus (Squamata: Dipsadidae) by a pitviper Bothrops gr. atrox (Squamata: Viperidae) in the Parnaíba River Delta, Piauí, Northeastern Brazil». Somma: Revista Científica do Instituto Federal do Piauí 12 (marzo 17, 2026): 1–6 (e031226). Accedido agosto 26, 2026. https://revistas.ifpi.edu.br/index.php/somma/article/view/518.