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Podocnemis lewyana DUMÉRIL, 1852

IUCN Red List - Podocnemis lewyana - Endangered, EN
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Higher TaxaPodocnemididae, Pelomedusoidea, Pleurodira, Testudines (turtles)
Subspecies 
Common NamesE: Rio Magdalena River Turtle
S: Tortuga del río Magdalena 
SynonymPodocnemis lewyana DUMÉRIL 1852: 242 (partim)
Podocnemis lewyana — STEINDACHNER 1902: 96
Podocnemis lewyana — FRAIR et al. 1978
Podocnemis lewyana — ALDERTON 1988
Podocnemis lewyana — BOUR 2006
Podocnemis lewyana — TTWG 2014
Podocnemis lewyana — TTWG 2021 
DistributionColombia (Rio Magdalena and Rio Sinu drainages)

Type locality: "Santa Fé de Bogotá, Colombia."  
Reproductionoviparous. Exhibits temperature‐dependent sex determination (TSD) fide Cornejo-Páramo et al. 2020 (and references therein). 
TypesLectotype: MNHN-RA 8995; paralectotype: MNHN-RA 8360. MNHN-RA 8985 (erroneously renumbered as MNHN-RA 9401), apparently designated lectotype on MNHN list of specimens (see Iverson 1986: 255). Lectotype designation by Bour 2006. 
Diagnosis 
CommentDistribution: Not in Venezuela (fide RIVAS et al. 2012). The only report from Venezuela (Pauler & Trebbau 1995) may have been based on a specimen introduced from Colombia by traders [RIVAS et al. 2012].

Habitat: freshwater (Rivers and tributaries) 
References
  • Alderton, D. 1988. Turtles and tortoises of the world. Facts on File, New York.
  • Bock, Brian C.; Paula A. Espinal-Garcia, Juan David Silva-Macias, Vivian P. Páez 2021. Risk of Nest Flooding in a Population of the Magdalena River Turtle (Podocnemis lewyana) Inhabiting the Climatic Equator in Northern Colombia. South American Journal of Herpetology 20 (1), 92-99 - get paper here
  • Bonin, F., Devaux, B. & Dupré, A. 2006. Turtles of the World. English translation by P.C.H. Pritchard. Johns Hopkins University Press, 416 pp.
  • Bour, R. 2008. Global diversity of turtles (Chelonii; Reptilia) in freshwater. Hydrobiologia 595:593–598 - get paper here
  • Bour, Roger 2006. Types of Podocnemidae in the Muséum National d'Histoire Naturelle. Emys 13 (1): 27-40
  • Cornejo-Páramo, P., Lira-Noriega, A., Ramírez-Suástegui, C. et al. 2020. Sex determination systems in reptiles are related to ambient temperature but not to the level of climatic fluctuation. BMC Evol Biol 20: 103 - get paper here
  • Duméril, A.H.A. 1852. Description des reptiles nouveaux ou imparfaitement connus de la collection du Muséum d'Histoire Naturelle, et remarques sur la classification et les charactéres des reptiles. Archives du Muséum d'Histoire Naturelle. Paris, 6: 209-264. - get paper here
  • Forrero-Medina, German, Natalia Gallego and Ruben Palacios. 2014. Working to conserve Colombia's most imperiled Turtle Species. Turtle Survival 2014: 58-61 - get paper here
  • Frair, W.; Mittermeier, R.A.; Rhodin, A.G.J. 1978. Blood biochemistry and relations among Podocnemis turtles (Pleurodira, Pelomedusidae). Comp. Biochem. Physiol. 61B: 139-143 - get paper here
  • Gaffney, Eugene S.; Peter A. Meylan, Roger C. Wood, Elwyn Simons, and Diogenes De Almeida Campos 2011. Evolution of the Side-Necked Turtles: The Family Podocnemididae. Bulletin of the American Museum of Natural History (350): 1-237 - get paper here
  • Gallego-García, Natalia and Vivian P. Páez 2016. Geographic Variation in Sex Determination Patterns in the River Turtle Podocnemis lewyana: Implications for Global Warming. Journal of Herpetology 50 (2): 256-262 - get paper here
  • Gómez-Saldarriaga, Catalina; Nicole Valenzuela, and Claudia P. Ceballos 2016. Effects of Incubation Temperature on Sex Determination in the Endangered Magdalena River Turtle, Podocnemis lewyana. Chelonian Conservation and Biology 15 (1): 43-53. - get paper here
  • Iverson J B 1995. Podocnemis lewyana Dumeril, Magdalena River turtle. Catalogue of American Amphibians and Reptiles 605 : 1-3 - get paper here
  • Iverson, J.B. 1986. A Checklist with Distribution Maps of the Turtles of the World. Paust Printing, Richmond, Indiana. viii + 282 pp.
  • METHNER, K. 1989. Die Schildkröten des unteren Rio Magdalena (Kolumbien). Sauria 11 (4): 9-11 - get paper here
  • Páez, V.P. et al. 2002. Guía de campo de algunas especies de anfibios y reptiles de Antioquia. Universidad de Antioquia, - get paper here
  • Páez, V.P. et al. 2013. Podocnemis lewyana. Catalogo de Anfibios y Reptiles de Colombia 1(1): 1-5 - get paper here
  • Páez, V.P., J.C. Correa-H. & A.M. Cano 2009. A comparison of maternal and temperature effects on sex, size and growth of hatchlings of the Magdalena River turtle (Podocnemis lewyana) incubated under field and laboratory conditions Copeia 2009 (4): 698-704. - get paper here
  • Páez, Vivian P., Brian C. Bock, Paula A. Espinal-García, Beatriz H. Rendón-Valencia, Diego Alzate-Estrada, Viviana M. Cartagena-Otálvaro and Selina S. Heppell. 2015. Life History and Demographic Characteristics of the Magdalena River Turtle (Podocnemis lewyana): Implications for Management. Copeia 103 (4): 1058-1074 - get paper here
  • Páez, Vivian P.; Laura Echeverri-G, Brian C. Bock, Rachel M. Bowden, and Lina M. Hinestroza 2015. Preovulatory Maternal Effects on Intra- and Interpopulation Variation in Sex Ratios and Phenotypic Characteristics of Magdalena River Turtles (Podocnemis lewyana). Herpetologica 71 (3): 196-202. - get paper here
  • Pauler, Ingo; Tredau, Pedro 1995. Erstnachweis von Podocnemis lewyana Duméril, 1852 (Testudines) in Venezuela. Salamandra 31 (3): 181-186 - get paper here
  • RESTREPO, ADRIANA; VIVIAN P. PÁEZ; CATALINA LÓPEZ, AND BRIAN C. BOCK 2008. Distribution and Status of Podocnemis lewyana in the Magdalena River Drainage of Colombia. Chelonian Conservation and Biology 7(1): 45–51 - get paper here
  • RIVAS, GILSON A.; CÉSAR R. MOLINA, GABRIEL N. UGUETO, TITO R. BARROS, CÉSAR L. BAR- RIO-AMORÓS & PHILIPPE J. R. KOK 2012. Reptiles of Venezuela: an updated and commented checklist. Zootaxa 3211: 1–64 - get paper here
  • Steindachner, Franz 1902. Herpetologische und ichthyologische Ergebnisse einer Reise nach Südamerika mit einer Einleitung von Therese Prinzessin von Bayern. Denkschriften der Kaiserlichen Akademie der Wissenschaften in Wien (Mathematisch-naturwissenschaftliche Klasse) 72: 89–148 - get paper here
  • TTWG [Peter Paul van Dijk, John B. Iverson, Anders G.J. Rhodin, H. Bradley Shaffer, and Roger Bour] 2014. Turtles of the World, 7th Edition: Annotated Checklist of Taxonomy, Synonymy, Distribution with Maps, and Conservation Status. 000.v7. Chelonian Research Monographs (ISSN 1088-7105) No. 5, doi:10.3854/crm.5.000.checklist.v7.2014 - get paper here
  • TTWG; Rhodin, A.G.J., Iverson, J.B., Bour, R., Fritz, U., Georges, A., Shaffer, H.B., and van Dijk, P.P. 2021. Turtles of the World: Annotated Checklist and Atlas of Taxonomy, Synonymy, Distribution, and Conservation Status (9th Ed.). In: Rhodin, A.G.J., Iverson, J.B., van Dijk, P.P., Stanford, C.B., Goode, E.V., Buhlmann, K.A., and Mittermeier, R.A. (Eds.). Chelonian Research Monographs 8:1–472. doi:10.3854/crm.8.checklist.atlas.v9.2021. - get paper here
  • Vargas-Ramirez, M.; Chiari, Y.; Castaño-Mora, O.V. & Menken, S.B.J. 2007. Low genetic variability in the endangered Colombian endemic freshwater turtle Podocnemis lewyana (Testudines, Podocnemididae). Contributions to Zoology 76 (1): 1-7 - get paper here
  • Vergara-Ríos, Danny; Andrés Camilo Montes-Correa, Juan David Jimenez-Bolaño, Liliana Patricia Saboyá-Acosta, Juan Manuel Renjifo 2015. Record of the largest size for a male of Magdalena River Turtle, Podocnemis lewyana Duméril 1852 (Testudines: Podocnemididae). Herpetology Notes 8: 335-337 - get paper here
  • Zapata, Lina M., Jaime A. Palacio and Brian C. Bock. 2014. Podocnemis lewyana (Magdalena river turtle) mercury levels. Herpetological Review 45 (2): 319 - get paper here
 
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