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J.E. Lovich

Turtles in Lake Blackshear, Crisp County, Georgia (USA) were evaluated for shell disease during intensive trapping efforts on 8 and 9 May 1990. The disease was most prevalent in Pseudemys concinna (74%) and Trachemys scripta (35%). The degree of necrosis on the carapace was significantly positively correlated with the degree of necrosis on the plastron in T. scripta (rs = 0.50), but not in P. concinna (rs=0.06). Female T. scripta with lesions were significantly larger than females without lesions. Lesions were not detected on six other species of turtles. Some areas contained multicarinate osteoclasts that were destroying bone. No tumors were detected in soft tissue samples.
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Categories: Publication; Types: Citation; Tags: 'Elepaio
The turtle genus Graptemys consists of 15 recognized taxa, distinguished largely on the basis of pigmentation pattern (i.e., soft tissue and shell), head size, and shell morphology. However, phylogenetic studies have shown limited sequence divergence within the genus and between Graptemys oculifera and Graptemys flavimaculata relative to most other members of the Emydidae. Graptemys oculifera of the Pearl River drainage and G. flavimaculata of the Pascagoula River drainage have been recognized as species since 1890 and 1954, respectively. However, the description of G. flavimaculata was based on a limited number of morphological characters. Several of these characters overlap between G. flavimaculata and G. oculifera,...
Categories: Publication; Types: Citation
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