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Geographic Variation in the Neotropical Turtle, Platemys platycephala

1983; The Society for the Study of Amphibians and Reptiles; Volume: 17; Issue: 4 Linguagem: Inglês

10.2307/1563587

1937-2418

Carl H. Ernst,

Turtle Biology and Conservation

Difference in carapacial and bridge patterns, and in mensural and meristic data indi- cates that the populations of Platemys platycephala from the rios Cenepa and Santiago, Peru and the rios 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. The Neotropical sideneck turtle, Pla- temys platycephala, has an extensive range in northern South America. It oc- curs throughout most of the Amazon