Home - Taxonomy - Geography - Biodiversity - Literature - Purchase RepFocus Recent updates Related bibliographies: Reptiles Turtles Emydidae North America Taxonomy of the genus Graptemys Biodiversity of the family Emydidae Bibliography of the genus Graptemys (Map Turtles) (Reptilia: Testudines: Emydidae) Note: In order to limit redundancy, relevant literature indexed in the related bibliographies in the left column may not have been included in this page. For a comprehensive search of literature, these bibliographies should therefore also be consulted. Graptemys in general Artner, H. 1999. Nomenklatur aktuell: Bestimmungsschlüssel für die Gattung Graptemys. Emys 6(4): 14. Bartlett, R.D. 2001. The map turtles, masters of aquatic agility. Reptile & Amphibian Hobbyist 6(10): 18-24. Bringsøe, H. 1998. Quo vadis? Three American CITES proposals for American reptiles. Herpetological Review 29(2): 70-71. Chaney, A.H.; Smith, C.L. 1950. Methods for collecting map turtles. Copeia 1950: 323-324. Cliburn, J.W. 1970. The ranges of four species of Graptemys in Mississippi. Journal of the Mississippi Academy of Sciences 16: 16-19. Dobie, J.L. 1981. The taxonomic relationship between Malaclemys Gray, 1844 and Graptemys Agassiz, 1857 (Testudines: Emydidae). Tulane Studies in Zoology and Botany 23(1): 85-102. Engert, R. 1986. Schildkröten der Gattung Graptemys, insbesondere G. flavimaculata (Cagle, 1954) - ihre Pflege und Zucht. Herpetofauna (Weinstadt) 8(42): 17-22. Fuselier, L.; Edds, D. 1994. Habitat partitioning among three sympatric species of map turtles, genus Graptemys. Journal of Herpetology 28(2): 154-158. Geller, G.A. 2012. Notes on the nest predation dynamics of Graptemys at two Wisconsin sites using trail camera monitoring. Chelonian Conservation and Biology 11(2): 197-205. Hertwig, S.; Hohl, C. 2000. Sawbacks. Haltung und Zucht kleiner Graptemysarten. Schildkröte 2(1): 4-9. Ilgen, E.L.; Hartson, C.A.; Zaleski, O.S.; Lindeman, P.V. 2014. Map turtles of the Mermentau: status surveys of forgotten populations. Chelonian Conservation and Biology 13(1): 1-8. Lamb, T.; Lydeard, C.; Walker, R.B.; Whitfield Gibbons, J. 1994. Molecular systematics of map turtles (Graptemys): a comparison of mitochondrial restriction site versus sequence data. Systematic Biology 43(4): 543-559. Lechowicz, C.J. 2005. Map turtles (genus Graptemys) in the hurricane belt of the Gulf Coast. Bulletin of the Chicago Herpetological Society 40(10): 181-183. Lechowicz, C.J. 2008. Tour d'horizon de l'histoire naturelle, la taxonomie, la preservation et les problemes actuels des tortues geographiques du genre Graptemys (Agassiz, 1857). Cheloniens 11: 30-45. Lee, D.S. 2012. The future of map turtles: will the mutts take over. Bulletin of the Chicago Herpetological Society 47(5): 57-62. Lindeman, P.V. 1998. Of deadwood and map turtles (Graptemys): an analysis of species status for five species in three river drainages using replicated spotting-scope counts of basking turtles. Linnaeus Fund Research Report. Chelonian Conservation and Biology 3(1): 137-141. Lindeman, P.V. 1999. Growth curves for Graptemys with a comparison to other emydid turtles. American Midland Naturalist 142(1): 141-151. Lindeman, P.V. 1999. Surveys of basking map turtles Graptemys spp. in three river drainages and the importance of deadwood abundance. Biological Conservation 88(1): 33-42. Lindeman, P.V. 2008. Evolution of body size in the map turtles and sawback (Emydidae: Deirochelyinae: Graptemys). Herpetologica 64(1): 32-46. Lindeman, P.V. 2016. The Map Turtle and Sawback Atlas: Ecology, Evolution, Distribution, and Conservation. University of Oklahoma Press, Norman, Oklahoma. 460 pp. Lindeman, P.V.; Sharkey, M.J. 2001. Comparative analyses of functional relationships in the evolution of trophic morphology in the map turtles (Emydidae: Graptemys). Herpetologica 57(3): 313-318. Lovich, J.E.; McCoy, C.J. 1992. Review of the Graptemys pulchra group (Reptilia: Testudines: Emydidae), with descriptions of two new species. Annals of the Carnegie Museum 61(4): 293-315. Mara, W.P. 1996. Map Turtles and Diamondback Terrapins. T.F.H. Publications, Neptune City, New Jersey. 65 pp. McCord, W.P.; Joseph-Ouni, M. 2002. Chelonian illustrations. 3. Map turtles. Reptilia (GB) 23: 8-12. McKown, R.R. 1973. Phylogenetic relationships within the turtle genera Graptemys and Malaclemys. Dissertation Abstracts International 33B(7): 3388. Muir, J.H. 1984. Commercial exploitation of Graptemys and Sternotherus turtles. Bulletin of the Chicago Herpetological Society 19(3): 98-100. Praschag, P.; Ihlow, F.; Flecks, M.; Vamberger, M.; Fritz, U. 2017. Diversity of North American Map and Sawback Turtles (Testudines: Emydidae: Graptemys). Zoologica Scripta 46: 675–682. Rogner, M. 2016. Höckerschildkröten – Die Gattung Graptemys. Reptilia (D) 21(118): 44-50. Schulz, S. 2001. Erfahrungsbericht über die Haltung und Zucht der Höckerschildkröten der Gattung Graptemys, im Besonderen von Graptemys pseudogeographica pseudogeographica, Graptemys ouachitensis ouachitensis, Graptemys nigrinoda nigrinoda und Graptemys barbouri. Radiata 10(2): 3-14. Selman, W.; Ennen, J.R.; Kreiser, B.R.; Qualls, C.P. 2009. Cross-species amplification of emydid microsatellite loci in three Graptemys species and their utility as a conservation tool. Herpetological Review 40(1): 32-37. Thomson, R.C.; Spinks, P.Q.; Shaffer, H.B. 2018. Molecular phylogeny and divergence of the map turtles (Emydidae: Graptemys). Molecular Phylogenetics and Evolution 121: 61-70 Vogt, R.C. 1979. Cleaning/feeding symbiosis between grackles (Quiscalus: Icteridae) and map turtles (Graptemys: Emydidae). Auk 96(3): 608-609. Vogt, R.C. 1981. Food partitioning in three species of Map Turtle, genus Graptemys (Testudinata, Emydidae). American Midland Naturalist 105(1): 102-111. Vogt, R.C.; Bull, J.J. 1984. Ecology of hatchling sex ratio in Map Turtles. Ecology 65(2): 582-587. Webb, R.G. 1961. Observations on the life histories of turtles (genus Pseudemys and Graptemys) in Lake Texoma, Oklahoma. American Midland Naturalist 65: 193-214. Welch, R.F. 1993. The all-American map turtles. Tropical Fish Hobbyist 41(8): 134-138, 141-142, 144. Wood, R.C. 1977. Evolution of the emydine turtles Graptemys and Malaclemys (Reptilia, Testudines, Emydidae). Journal of Herpetology 11(3): 415-421. Graptemys barbouri Cagle, F.R. 1952. The status of the turtles Graptemys pulchra Baur and Graptemys barbouri Carr and Marchand, with notes of their natural history. Copeia 1952: 223-234. Carr, A.F.; Marchand, L.J. 1942. A new turtle from the Chipola River, Florida. Proceedings of the New England Zoological Club 20: 95-100. Crenshaw, J.W.; Rabb, G.B. 1949. Occurrence of the turtle Graptemys barbouri in Georgia. Copeia 1949(3): 226. Dobie, J.L. 1972. Correction of distributional records for Graptemys barbouri and Graptemys pulchra. Herpetological Review 4(1): 23. Enge, K.M.; Cailteux, R.L.; Nordhaus, J.J. 1996. Geographic distribution: Graptemys barbouri (Barbour's Map Turtle). Herpetological Review 27(3): 150-151. Enge, K.M.; Wallace, G.E. 2008. Basking survey of map turtles (Graptemys) in the Choctawhatchee and Ochlockonee Rivers, Florida and Alabama. Florida Scientist 71(4): 310-322. Ewert, M.A.; Pritchard, P.C.H.; Wallace, G.E. 2006. Graptemys barbouri - Barbour's Map Turtle. Chelonian Research Monographs 3: 260-272. George, G. 1990. Status and conservation of Graptemys barbouri, Graptemys flavimaculata, Graptemys oculifera and Graptemys caglei. pp. 24-30. In: Beaman, K.R.; Caporaso, F.; McKeown, S. & Graff, M.D. (eds.). Proceedings of the First International Symposium on Turtles and Tortoises: conservation and captive husbandry, Chapman University, August 9-12, 1990. California Turtle and Tortoise Club, Van Nuys. 171 pp. Godwin, J.C.; Lovich, J.E.; Ennen, J.R.; Kreiser, B.R.; Folt, B.P.; Lechowicz, C. 2014. Hybridization of two megacephalic map turtles (Testudines: Emydidae: Graptemys) in the Choctawhatchee River drainage of Alabama and Florida. Copeia 2014(4): 725-742. Hill, E.P.; Mays, J.D. 2016. Geographic distribution: Graptemys barbouri (Barbour's Map Turtle). Herpetological Review 47(1): 79. Jackson, D.R. 1986. Barbour's Map Turtle. pp. 37-38. In: Mount, R.H. (ed.). Vertebrate animals of Alabama in need of special attention. Alabama Agricultural Experiment Station, Auburn, Alabama. 124 pp. Jackson, D.R. 2003. Geographic distribution: Graptemys barbouri (Barbour's Map Turtle). Herpetological Review 34(2): 164. Jackson, D.R.; Guyot-Jackson, G. 2002. Note sur l'incubation des oeufs et les nouveau-nes de la graptemyde de Barbour (Graptemys barbouri). Manouria 5(17): 29-31. Jensen, J.B. 2011. Geographic distribution: Graptemys barbouri (Barbour's Map Turtle). Herpetological Review 42(4): 565. Lee, D.S. 1975. A note on the feeding habits of male Barbour's map turtles. Florida Field Naturalist 3(2): 45-46. Mays, J.D.; Hill, E.P. 2016. Geographic distribution: Graptemys barbouri (Barbour's Map Turtle). Herpetological Review 47(1): 79. Means, D.B.; Harvey, A. 1999. Barbour's Map Turtle in the diet of nesting bald eagles. Florida Field Naturalist 27(1): 14-16. Peters, U. 1987. Wir stellen vor: fünf Schildkröten von drei Erdteilen. Aquarium (Minden) 212: 89-92. Pritchard, P.C.H. 1980. Record size turtles from Florida and South America. Chelonologica 1(3): 113-123. Sanderson, R.; Lovich, J.E. 1988. Graptemys barbouri. Catalogue of American Amphibians and Reptiles 421: 1-2. Schmidt, A. 1956. Graptemys barbouri Carr & Marchand, eine ungewöhnliche Schildkröte. DATZ (Die Aquarien- und Terrarien-Zeitschrift) 9(5): 130-132. Schulz, S. 2004. Graptemys barbouri Carr & Marchand, 1942, Barbour's Höckerschildkröte. Emys 11(2): 22-31. Schulz, S. 2006. Graptemys barbouri (Carr & Marchand, 1942), Barbour's Map Turtle. pp. 257-267. In: Artner, H.; Farkas, B. & Loehr, V. (eds.). Turtles: proceedings: International Turtle & Tortoise Symposium, Vienna 2002. Edition Chimaira, Frankfurt am Main. 618 pp. Sterrett, S.C.; Grosse, A.M. 2009. Geographic distribution: Graptemys barbouri (Barbour's Map Turtle). USA: Georgia. Herpetological Review 40(1): 110. Sterrett, S.C.; Jensen, J.B.; Folt, B.P. 2014. Natural history notes: Graptemys barbouri (Barbour's Map Turtle). Basking height. Herpetological Review 45(2): 314-315. Sterrett, S.C.; Kaeser, A.J.; Katz, R.A.; Smith, L.L.; Brock, J.C.; Maerz, J.C. 2015. Spatial ecology of female Barbour's Map Turtles (Graptemys barbouri) in Ichawaynochaway Creek, Georgia. Copeia 103(2): 263-271. Sterrett, S.C.; Smith, L.L.; Golladay, S.W.; Schweitzer, S.H.; Maerz, J.C. 2011. The conservation implications of riparian land use on river turtles. Animal Conservation 14(1): 38-46. Sterrett, S.C.; Smith, L.L.; Schweitzer, S.H.; Maerz, J.C. 2010. An assessment of two methods for sampling river turtle assemblages. Herpetological Conservation and Biology 5(3): 490-497. Wahlquist, H. 1970. Sawbacks of the Gulf coast. International Turtle and Tortoise Society Journal 4(4): 10-13, 28. Wahlquist, H.; Folkerts, G.W. 1973. Eggs and hatchlings of Barbour's map turtle, Graptemys barbouri Carr & Marchand. Herpetologica 29(3): 236-237. Graptemys caglei Bertl, J.; Killebrew, F.C. 1983. An osteological comparison of Graptemys caglei Haynes and McKeown and Graptemys versa Stejneger (Testudines: Emydidae). Herpetologica 39(4): 375-382. Bohannon, A.M.A.; Forstner, M.R.J. 2018. Geographic distribution: Graptemys caglei (Cagle’s Map Turtle). Herpetological Review 49(4): 711. George, G. 1990. Status and conservation of Graptemys barbouri, Graptemys flavimaculata, Graptemys oculifera and Graptemys caglei. pp. 24-30. In: Beaman, K.R.; Caporaso, F.; McKeown, S. & Graff, M.D. (eds.). Proceedings of the First International Symposium on Turtles and Tortoises: conservation and captive husbandry, Chapman University, August 9-12, 1990. California Turtle and Tortoise Club, Van Nuys. 171 pp. Haynes, D. 1976. Graptemys caglei. Catalogue of American Amphibians and Reptiles 184: 1-2. Haynes, D.; McKown, R.R. 1974. A new species of map turtle (genus Graptemys) from the Guadalupe River system in Texas. Tulane Studies in Zoology and Botany 18(4): 143-152. Hertwig, S. 2001. Ökologie, Haltung und Fortpflanzung im Terrarium von Graptemys caglei, G. flavimaculata, G. nigrinoda nigrinoda und G. oculifera. Salamandra 37(1): 21-48. Killebrew, F.C.; Porter, D. 1989. Life history notes: Graptemys caglei (Cagle's Map Turtle). Size maxima. Herpetological Review 20(3): 70. Killebrew, F.C.; Porter, D. 1990. Life history notes: Graptemys caglei (Cagle's Map Turtle). Size. Herpetological Review 21(4): 92. Killebrew, F.C.; Porter, D.A. 1991. Geographic distribution: Graptemys caglei (Cagle's Map Turtle). Herpetological Review 22(1): 24. Simpson, T.R.; Rose, F.L. 2007. Distribution of Cagle's map turtle (Graptemys caglei) in the Blanco and San Marcos Rivers. Texas Journal of Science 59(3): 201-208. Ward, R.; Babitzke, J.B.; Killebrew, F.C. 2013. Genetic population structure of Cagle's Map Turtle (Graptemys caglei) in the Guadalupe and San Marcos rivers of Texas - a landscape perspective. Copeia 2013(4): 723-728. Wibbels, T.; Killebrew, F.C.; Crews, D. 1991. Sex determination in Cagle's Map Turtle: implications for evolution, development, and conservation. Canadian Journal of Zoology 69(10): 2693-2696. Graptemys ernsti Aresco, M.J.; Shealy, R.M. 2006. Graptemys ernsti - Escambia Map Turtle. Chelonian Research Monographs 3: 273-278. Ennen, J.R.; Godwin, J.; Lovich, J.E.; Kreiser, B.R.; Folt, B.; Hazzard, S. 2016. Interdrainage morphological and genetic differentiation in the Escambia Map Turtle, Graptemys ernsti. Herpetological Conservation and Biology 11(1): 122-131. Godwin, J.C.; Lovich, J.E.; Ennen, J.R.; Kreiser, B.R.; Folt, B.P.; Lechowicz, C. 2014. Hybridization of two megacephalic map turtles (Testudines: Emydidae: Graptemys) in the Choctawhatchee River drainage of Alabama and Florida. Copeia 2014(4): 725-742. Lechowicz, C.J.; Archer, J. 2007. Geographic distribution: Graptemys ernsti (Escambia Map Turtle). Herpetological Review 38(4): 479. Lovich, J.E.; Godwin, J.C.; McCoy, C.J. 2011. Graptemys ernsti Lovich and McCoy 1992 - Escambia Map Turtle Chelonian Research Monographs 5: 051.1-051.6. Lovich, J.E.; McCoy, C.J. 1994. Graptemys ernsti. Catalogue of American Amphibians and Reptiles 585: 1-2. Munscher, E.C.; Bolemon, J. 2014. Geographic distribution: Graptemys ernesti (Escambia River Map Turtle). Herpetological Review 45(3): 459-460. Graptemys flavimaculata Cagle, F.R. 1954. Two new species of the genus Graptemys. Tulane Studies in Zoology and Botany 1: 107-180. Engert, R. 1986. Schildkröten der Gattung Graptemys, insbesondere G. flavimaculata (Cagle, 1954) - ihre Pflege und Zucht. Herpetofauna (Weinstadt) 8(42): 17-22. Ennen, J.R.; Kreiser, B.R.; Qualls, C.P.; Lovich, J.E. 2010. Morphological and molecular reassessment of Graptemys oculifera and Graptemys flavimaculata (Testudines: Emydidae). Journal of Herpetology 44(4): 544-554. Ennen, J.R.; Lindeman, P.V.; Lovich, J.E. 2015. Intersexual allometry differences and ontogenetic shifts of coloration patterns in two aquatic turtles, Graptemys oculifera and Graptemys flavimaculata. Ecology and Evolution 5(11): 2296-2305. Floyd, P. 1973. Singing river sawbacks. International Turtle and Tortoise Society Journal 7(2): 8-10. George, G. 1990. Status and conservation of Graptemys barbouri, Graptemys flavimaculata, Graptemys oculifera and Graptemys caglei. pp. 24-30. In: Beaman, K.R.; Caporaso, F.; McKeown, S. & Graff, M.D. (eds.). Proceedings of the First International Symposium on Turtles and Tortoises: conservation and captive husbandry, Chapman University, August 9-12, 1990. California Turtle and Tortoise Club, Van Nuys. 171 pp. Hertwig, S. 2001. Ökologie, Haltung und Fortpflanzung im Terrarium von Graptemys caglei, G. flavimaculata, G. nigrinoda nigrinoda und G. oculifera. Salamandra 37(1): 21-48. Horne, B.D.; Brauman, R.J.; Moore, M.J.C.; Seigel, R.A. 2003. Reproductive and nesting ecology of the Yellow-blotched Map Turtle, Graptemys flavimaculata: Implications for conservation and management. Copeia 2003(4): 729-738. Hughes, B. 2012. [Notable breeding successes in Tennessee Aquarium]. (In German). Marginata 35: 36-37. Jones, R.L. 1996. Home range and seasonal movements of the turtle Graptemys flavimaculata. Journal of Herpetology 30(3): 376-385. Killebrew, F.C. 1976. An unusual basisphenoid in one specimen of Graptemys flavimaculata. Herpetological Review 7(4): 167-168. Killebrew, F.C. 1979. Osteological variation between Graptemys flavimaculata and Graptemys nigrinoda (Testudines: Emydidae). Herpetologica 35(2): 146-153. Lindeman, P.V. 2017. Geographic distribution: Graptemys flavimaculata (Yellow-blotched Sawback). Herpetological Review 48(1): 122. McCoy, C.J.; Vogt, R.C. 1987. Graptemys flavimaculata. Catalogue of American Amphibians and Reptiles 403: 1-2. Moore, M.J.C.; Seigel, R.A. 2006. No place to nest or bask: effects of human disturbance on the nesting and basking habits of Yellow-blotched Map Turtles (Graptemys flavimaculata). Biological Conservation 130(3): 386-393. Philippen, H.D. 2006. Gelbfleck-Höckerschildkröte Graptemys flavimaculata (Cagle, 1954). Marginata 12(3-4), 2006-2007: 31-34. Selman, W. 2009. Ecology and conservation of the yellow-blotched sawback, an endemic river turtle of the Pascagoula river system, Mississippi, USA. TSA Newsletter 2009 (August): 42-43. Selman, W. 2011. Natural history notes: Graptemys flavimaculata (Yellow-blotched Map Turtle). Unique aerial basking behaviors. Herpetological Review 42(4): 593-595. Selman, W. 2012. Intradrainage variation in population structure, shape morphology, and sexual size dimorphism in the Yellow-blotched Sawback, Graptemys flavimaculata. Herpetological Conservation and Biology 7(3): 427-436. Selman, W. 2017. Diagnostic trait variability in the imperiled freshwater turtle, Graptemys flavimaculata. Herpetologica 73(2): 105–112. Selman, W. 2017. Natural history notes: Graptemys flavimaculata (Yellow-blotched Sawback). Shell abnormality and long-term site fidelity. Herpetological Review 48(4): 835-836. Selman, W.; Jones, R.L. 2011. Graptemys flavimaculata Cagle 1954 - Yellow-blotched Sawback, Yellow-blotched Map Turtle Chelonian Research Monographs 5: 052.1-052.11. Selman, W.; Jones, R.L. 2011. Graptemys flavimaculata Cagle 1954 - Yellow-blotched Sawback, Yellow-blotched Map Turtle. Chelonian Research Monographs 5: 052.1-052.11. Selman, W.; Kreiser, B.; Qualls, C.P. 2013. Conservation genetics of the yellow-blotched sawback Graptemys flavimaculata (Testudines: Emydidae). Conservation Genetics 14(6): 1193-1203. Selman, W.; Lindeman, P.V. 2018. Spatial, seasonal, and sexual variation in the diet of Graptemys flavimaculata, a threatened turtle of the Pascagoula River System, Mississippi, USA. Copeia 106(2): 247–254. Selman, W.; Qualls, C. 2008. Natural history notes: Graptemys flavimaculata (Yellow-blotched Map Turtle). Foraging behavior. Herpetological Review 39(2): 215. Selman, W.; Qualls, C. 2008. Natural history notes: Graptemys flavimaculata (Yellow-blotched Map Turtle). Interspecific basking site competition. Herpetological Review 39(2): 214-215. Selman, W.; Qualls, C. 2008. The impacts of Hurricane Katrina on a population of yellow-blotched sawbacks (Graptemys flavimaculata) in the lower Pascagoula River. Herpetological Conservation and Biology 3(2): 224-230. Selman, W.; Qualls, C. 2009. Distribution and abundance of two imperiled Graptemys species of the Pascagoula river system. Herpetological Conservation and Biology 4(2): 171-184. Selman, W.; Qualls, C. 2009. Natural history notes: Graptemys flavimaculata (Yellow-blotched Map Turtle). Basking and parasite removal. Herpetological Review 40(1): 78-79. Selman, W.; Qualls, C.P. 2011. Basking ecology of the Yellow-Blotched Sawback (Graptemys flavimaculata), an imperiled turtle species of the Pascagoula River system, Mississippi, United States. Chelonian Conservation and Biology 10(2): 188-197. Selman, W.; Qualls, C.P.; Owen, J.C. 2013. Effects of human disturbance on the behavior and physiology of an imperiled freshwater turtle. Journal of Wildlife Management 77(5): 877-885. Selman, W.; Strong, D.; Qualls, C. 2009. Natural history notes: Graptemys flavimaculata (Yellow-blotched Map Turtle). Unusual basking disturbance. Herpetological Review 40(1): 78. Shelby, J.A.; Mendonca, M.T. 2001. Comparison of reproductive parameters in male yellow-bloched map turtles (Graptemys flavimaculata) from a historically contaminated site and a reference site. Comparative Biochemistry and Physiology C Pharmacology Toxicology and Endocrinology 129C(3): 233-242. Shelby-Walker, J.A.; Ward, C.K.; Mendonca, M.T. 2009. Reproductive parameters in female Yellow-blotched Map Turtles (Graptemys flavimaculata) from a historically contaminated site vs. a reference site. Comparative Biochemistry and Physiology Part A Molecular & Integrative Physiology 154(3): 401-408. Wahlquist, H. 1970. Sawbacks of the Gulf coast. International Turtle and Tortoise Society Journal 4(4): 10-13, 28. Graptemys geographica Angley, J.R.; Buhlmann, K.A. 2017. Natural history notes: Graptemys geographica (Northern Map Turtle). Colonization. Herpetological Review 48(1): 175-177. Anton, T.G.; Graser, W.H. 2012. Geographic distribution: Graptemys geographica (Northern Map Turtle). USA: Illinois: Kane Co. Herpetological Review 43(3): 441-442. Arndt, R.G.; Potter, W.A. 1973. A population of the map turtle, Graptemys geographica, in the Delaware River, Pennsylvania. Journal of Herpetology 7(4): 375-377. Baker, P.J.; Costanzo, J.P.; Iverson, J.B.; Lee, R.E. 2003. Adaptations to terrestrial overwintering of hatchling Northern Map Turtles, Graptemys geographica. Journal of Comparative Physiology B Biochemical Systemic and Environmental Physiology 173(8): 643-651. Baker, P.J.; Iverson, J.B.; Lee, R.E.; Costanzo, J.P. 2010. Winter severity and phenology of spring emergence from the nest in freshwater turtles. Naturwissenschaften 97(7): 607-615. Banger, N.; Blouin-Demers, G.; Bulte, G.; Lougheed, S.C. 2013. More sires may enhance offspring fitness in Northern Map Turtles (Graptemys geographica). Canadian Journal of Zoology 91(8): 581-588. Beane, J.C.; Pusser, L.T.; Davis, R.A. 2009. Geographic distribution: Graptemys geographica (Northern Map Turtle). Herpetological Review 40(4): 449. Behler, J.L.; Castellano, C.M.; Crockett, T.J. 2004. Geographic distribution: Graptemys geographica (Northern Map Turtle). Herpetological Review 35(2): 186. Ben-Ezra, E.; Bulte, G.; Blouin-Demers, G. 2008. Are locomotor performances coadapted to preferred basking temperature in the Northern Map Turtle (Graptemys geographica)? Journal of Herpetology 42(2): 322-331. Bennett, A.M.; Keevil, M.; Litzgus, J.D. 2009. Demographic differences among populations of Northern Map Turtles (Graptemys geographica) in intact and fragmented sites. Canadian Journal of Zoology 87(12): 1147-1157. Bennett, A.M.; Keevil, M.; Litzgus, J.D. 2010. 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