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Papéis Avulsos de Zoologia (São Paulo)

Print version ISSN 0031-1049On-line version ISSN 1807-0205

Abstract

LYNCH, John D.. Snakes of the genus Oxyrhopus (Colubridae: Squamata) in Colombia: taxonomy and geographic variation. Pap. Avulsos Zool. (São Paulo) [online]. 2009, vol.49, n.25, pp.319-337. ISSN 0031-1049.  http://dx.doi.org/10.1590/S0031-10492009002500001.

Four species of Oxyrhopus occur in Colombia, one (O. leucomelas) of which is Andean and the other three occur in lowlands. No geographic variation was detected in O. occipitalis but there is marked geographic variation in color pattern and scutellation for the widely distributed O. petola. Recognition of subspecies within O. petola is possible but appears to obscure more than it illuminates. The snake previously reported as O. melanogenys or O. aff. melanogenys is diagnosed as a previously unrecognized species.

Keywords : Geographic variation; New species; Oxyrhopus.

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