| Blankenship, E. L., Butterfield, B. P., & Godwin, J. C. (2008). Graptemys nigrinoda cagle 1954 – black-knobbed map turtle, black-knobbed sawback. In A. G. J. Rhodin, P. P. van Dijk, R. A. Saumure, K. A. Buhlmann & J. B. Iverson (Eds.), Vol. 5IUCN/SSC Tortoise and Freshwater Turtle Specialist Group. |
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| Added by: Admin 01 Feb 2009 18:30:24 UTC |
Pop. 3.5%
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| Bryan, T. W., Blankenship, E. L., & Guyer, C. (1991). A new method of trapping gopher tortoises (gopherus polyphemus). Herpetological Review, 22 (1), 19–21. |
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| Added by: Admin 23 Aug 2008 19:57:47 UTC |
Pop. 2.25%
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| Thomas, D., & Blankenship, E. L. (2002). Mycoplasma testing in the gopher tortoise, gopherus polyphemus, along a pipeline transect in mississippi. Herpetological Review, 33(2), 101–103. |
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| Added by: Admin 14 Aug 2008 20:35:32 UTC |
Pop. 2%
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