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Dobie, J. L., & Jackson, D. R. (1979). First fossil record for the diamondback terrapin, malaclemys terrapin (emydidae), and comments on the fossil record of chrysemys nelsoni (emydidae). Herpetologica, 35(2), 139–145. 
Added by: Admin (01 Aug 2010 18:21:52 UTC)
Resource type: Journal Article
BibTeX citation key: Dobie1979
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Categories: General
Keywords: Emydidae, Malaclemys, Malaclemys terrapin, Pseudemys, Pseudemys nelsoni, Pseudemys rubriventris, Schildkröten = turtles + tortoises, Systematik = taxonomy
Creators: Dobie, Jackson
Collection: Herpetologica
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Abstract     
A nuchal bone and a first left costal bone from two different individuals represent the first fossil record for the diamondback terrapin, Malaclemys terrapin. The bones are from a Pleistocene deposit at Edisto Beach, Colleton County, South Carolina, a locality that is within the present range of M. terrapin. Fossil Pseudemys nelsoni recovered from the same deposit indicate that the ranges of Pseudemys nelsoni and Pseidemys rubriventris were probably once continuous and that gene flow between the two "species" may have occurred as recently as late Pleistocene.
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