Black-knobbed map turtle
The black-knobbed map turtle (Graptemys nigrinoda) is a species of aquatic turtles. Their skin is light gray and have spikes on their shell.[3] They are part of the Graptemys genus and were once called the black-knobbed sawback turtle. They live in rivers in the Mobile Bay in Alabama and Mississippi.[4]
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| Species: | G. nigrinoda
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| Graptemys nigrinoda Cagle, 1954
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References
- ↑ Graptemys nigrinoda, Reptile Database
- ↑ Fritz Uwe. Checklist of Chelonians of the World. Vertebrate Zoology 57 (2) (2007). p. 187–188. Retrieved 29 May 2012.
- ↑ Blankenship, Emmett L., Brian P. Butterfield, and James C. Goodwin. 2008. "Grapemys Nigrinoda Cagle 1954- Black-Knobbed Map Turtle, Black-knobbed Sawback." Coservation Biology of Freshwater Turtles and Tortoises: n. pag. Print.
- ↑ Bebler & King. 1979 "Pond and Box Turtle Family." The Audubon Society Field Guide to North American Reptiles & Amphibians. 2nd ed. New York: Alfred A. Knopf. 462-63. Print.
Other websites
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- Tortoise & Freshwater Turtle Specialist Group 1996. Graptemys nigrinoda Archived 2014-06-27 at the Wayback Machine. 2006 IUCN Red List of Threatened Species. Downloaded on 29 July 2007.