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Boletim do Museu Paraense Emílio Goeldi Ciências Naturais
versión impresa ISSN 1981-8114
Resumen
ROSSMAN, Douglas Athon. Morphological variation in the striped water snake Helicops trivittatus (Gray, 1849) (Reptilia: Serpentes: Xenodontidae) of eastern Amazonia. Bol. Mus. Para. Emilio Goeldi Cienc. Nat. [online]. 2010, vol.5, n.3, pp.271-278. ISSN 1981-8114.
Helicops trivittatus, an aquatic snake endemic to eastern Amazonia, has an essentially invariant colour pattern, but it does exhibit sexual and/or individual variation in many meristic and mensural characters. This study is based on a series of 45 preserved specimens.
Palabras clave : Brazil; Serpentes; Xenodontidae; Helicops trivittatus; Variation.