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Geographic Variation in the Neotropical Turtle, Platemys platycephala

Carl H. Ernst
Journal of Herpetology
Vol. 17, No. 4 (Dec., 1983), pp. 345-355
DOI: 10.2307/1563587
Stable URL: http://www.jstor.org/stable/1563587
Page Count: 11
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Geographic Variation in the Neotropical Turtle, Platemys platycephala
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Abstract

Difference in carapacial and bridge patterns, and in mensural and meristic data indicates that the populations of Platemys platycephala from the ríos Cenepa and Santiago, Perú and the ríos Napa and Curaray, Ecuador represent an undescribed dark subspecies. The Quaternary rainforest refuge theory is discussed in view of the origin and subsequent zoogeography of the new subspecies.

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