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Clemmys
''Clemmys'' is a genus of turtle, consisting of one North American species, the spotted turtle (''C. guttata'').
''"Clemmys guangxiensis"'' is a composite taxon described from specimens of ''Mauremys mutica'' and the natural hybrid ''"Mauremys" × iversoni''.〔Parham, James Ford; Simison, W. Brian; Kozak, Kenneth H.; Feldman, Chris R. & Shi, Haitao (2001): New Chinese turtles: endangered or invalid? A reassessment of two species using mitochondrial DNA, allozyme electrophoresis and known-locality specimens. ''Animal Conservation'' 4(4): 357–367. (HTML abstract ) Erratum: ''Animal Conservation'' 5(1): 86 (HTML abstract )〕
Until recently, the genus ''Clemmys'' consisted of four species (bog turtle, spotted turtle, western pond turtle, and the wood turtle). Recent genetic analyses have revealed that the spotted turtle is distinct from the other three species.〔Feldman, C.R. and J.F. Parham. (2002). Molecular phylogenetics of Emydine turtles: taxonomic revision and the evolution of shell kinesis. ''Molecular Phylogenetics and Evolution'' 22:388-398.〕 The bog turtle and the wood turtle were moved to the genus ''Glyptemys'', while the western pond turtle has been renamed ''Actinemys''. This makes the spotted turtle the sole member of the genus ''Clemmys''〔Spinks, P.Q. and H.B. Shaffer. (2009). Conflicting Mitochondrial and Nuclear Phylogenies for the Widely Disjunct Emys (Testudines: Emydidae) Species Complex, and What They Tell Us about Biogeography and Hybridization. ''Systematic Biology'' 58(1):1-20.〕
The spotted turtle is declining throughout eastern Northern America due to habitat loss and poaching. From this study, most specifically on the Southeastern population, females had greater shell heights, heavier body masses, and longer plastrons than males.〔Litzgus, Jacqueline; Mousseau, Timothy (2004). Demography of A Southern Population of the Spotted Turtle (''Clemmys guttata''). ''Southeastern Naturalist'' 3(3):391-400. ()〕
==References==
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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