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Abstract
We document the finding of Amastridium veliferum (Ophidia: Colubridae), in northwestern region of South America. This specimen has the phenotypical characteristics found in population of southern Central America (Costa Rica and Panama), even though it has a brighter color and the dark spots over the top of head are barely seen.
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References
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Wilson, L. D. , & D. C. Robinson. 1971. Additional specimens of the colubrid snake Amastridium veliferum Cope from Costa Rica, with comments on a pseudohermaphrodite. Bulletin of the Southern California Academy of Sciences 70 (1): 53-54.
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Zaher, H. 1999. Hemipenial morphology of the South American xenodontine snakes, with a proposal for a monophyletic Xenodontinae and a reappraisal of colubrid hemipenes. Bulletin of the American Museum Natural History 240: 1-168
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