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Rhinoclemmys nasuta (BOULENGER, 1902)

IUCN Red List - Rhinoclemmys nasuta - Least Concern, LR
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Higher TaxaGeoemydidae (Rhinoclemmydinae), Testudinoidea, Testudines (turtles)
Subspecies 
Common NamesE: Chocoan River turtle, large-nosed Wood Turtle 
SynonymNicoria nasuta BOULENGER 1902: 53
Geoemyda nasuta — SIEBENROCK 1909
Geoemyda punctularia nasuta — MERTENS 1954
Rhinoclemmys nasuta — SMITH 1978
Rhinoclemmys nasuta — KING & BURKE 1989
Rhinoclemmys nasuta — ERNST & BARBOUR 1989: 181
Rhinoclemmys nasuta — OBST 2003: 18
Rhinoclemmys nasuta — TTWG 2014
Rhinoclemmys nasuta — TTWG 2021
Rhinoclemmys nasuta — TTWG 2025 
DistributionW Colombia (Pacific drainages of the Quito, Truando, San Juan, Docambado, and Baudo rivers, Valle del Cauca),
NW Ecuador (near Esmeraldas)

Type locality: "Bulun, 160 feet, and from the Río Durango, 350 feet," Esmeraldas Province, Ecuador. elevation.  
Reproductionoviparous. 
TypesSyntypes: BMNH 1947.3.5.54, 1947.3.5.55, 1947.3.5.56, 1947.3.5.57. 
DiagnosisUnfortunately we had to temporarily remove additional information as this was scraped by multiple AI companies who sell that data to their customers. These details, e.g. detailed descriptions or comparisons (about 1392 characters), are available for collaborators and contributors. Please contact us for details. 
CommentStatus: IUCN 2009 Red List Status: Near Threatened (LR/nt) (assessed 1996, needs updating);

CITES: Not Listed; Colombian Red Data Book: Data Deficient.

Distribution: see map in TTWG 2025. 
EtymologyNamed after Latin nasuta, having long nose. [“...snout strongly projecting, much more than in N. punctularia...”]. (from Esteban Lavilla, pers. comm., May 2024) 
References
  • Arteaga, A.; Bustamante, L.; Vieira, J. 2024. Reptiles of Ecuador. Khamai Foundation & Tropical Herping, 1073 pp. - get paper here
  • Boulenger,G.A. 1902. Descriptions of new batrachians and reptiles from northwestern Ecuador. Ann. Mag. Nat. Hist. (7) 9 (49): 51-57 - get paper here
  • Carr, J.L. & Giraldo, A. 2009. Rhinoclemmys nasuta (Boulenger 1902) – Large-Nosed Wood Turtle, Chocoan River Turtle. Chelonian Research Monographs (5): 034.1-034.6 - get paper here
  • Carr, JL, A, Giraldo & M.F. Garces-Restrepo 2012. Rhinoclemmys nasuta. Pp. 315-322. En: Páez, V. P., M. A. Morales-Betancourt, C. A. Lasso, O. V. Castaño-Mora y B. C. Bock (Editores). 2012. V. Biología y conservación de las tortugas continentales de Colombia. Serie Editorial Recursos Hidrobiológicos y Pesqueros Continentales de Colombia. Instituto de Investigación de Recursos Biológicos Alexander von Humboldt (IAvH). Bogotá, D. C., Colombia
  • Carr, John L., Mario Fernando Garcés, Andrés Quintero-Angel and Alan Giraldo. 2010. Rhinoclemmys nasuta: Diet and feeding behavior. Herpetological Review 41 (3): 347-348 - get paper here
  • Carr, John L.; Alan Giraldo, Mario F. Garcés-Restrepo . 2017. Rhinoclemmys nasuta (Boulenger 1902). Tortuga de río chocoana, sabaletera. Catálogo de Anfibios y Reptiles de Colombia 3 (2): 43-49 - get paper here
  • Castro-Herrera, F. & Vargas-Salinas, F. 2008. Anfibios y reptiles en el departamento del Valle del Cauca, Colombia. Biota Colombiana 9 (2): 251 - 277 - get paper here
  • Cisneros-Heredia, D.F. 2006. Turtles of the Tiputini Biodiversity Station with remarks on the diversity and distribution of the Testudines from Ecuador. Biota Neotropica 6 (1): 1-16 - get paper here
  • Ernst, C.H. 1980. Rhinoclemmys nasuta (Boulenger). Catalogue of American Amphibians and Reptiles 264:1. - get paper here
  • Ernst,C.H. and Barbour,R.W. 1989. Turtles of the World. Smithsonian Institution Press, Washington D.C. - London
  • Garcés-Restrepo, M.F., N. Rivera-Domínguez, A. Giraldo & J.L. Carr 2017. Reproductive aspects of the Chocoan River turtle (Rhinoclemmys nasuta, Geoemydidae) along the Colombian Pacific coast Amphibia-Reptilia, 38(3): 351-361. - get paper here
  • McLaughlin, Connor J. and C. Tristan Stayton 2016. Convergent Evolution Provides Evidence of Similar Radiations in Shell Shape in the Turtle Families Emydidae and Geoemydidae. Herpetologica 72 (2): 120-129. - get paper here
  • Methner, K., & Wicker, R. 1982. Zum Vorkommen von Rhinoclemmys punctularia in Kolumbien (Reptilia: Testudines: Emydidae). Salamandra 18 (3-4): 300-304 - get paper here
  • Obst, F.J. 2003. Sumpfschildkröten. Draco 4 (13): 4-18 - get paper here
  • Pinto-Erazo, M.A., Calderón-Espinosa, M.L., Medina-Rangel, G.F. & Méndez-Galeano, M.A. 2020. Herpetofauna from two municipalities of southwestern Colombia. Biota Colombiana 21(1): 41-57. DOI: 10.21068/c2020.v21n01a04 - get paper here
  • Restrepo, Mario Fernando Garcés; Natalia Rivera-Domínguez, Alan Giraldo and John L. Carr. 2017. Reproductive aspects of the Chocoan River turtle (Rhinoclemmys nasuta, Geoemydidae) along the Colombian Pacific coast. Amphibia-Reptilia 38 (3): 351-361 - get paper here
  • Smith, H. M. 1978. The status of suppressed names and of Callopsis Gray (Reptilia: Testudines). Herpetological Review 9 (3): 93 - get paper here
  • Torres-Carvajal O, Pazmiño-Otamendi G, Salazar-Valenzuela D. 2019. Reptiles of Ecuador: a resource-rich portal, with a dynamic checklist and photographic guides. Amphibian & Reptile Conservation 13 (1): [General Section]: 209–229 (e178) - 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 [TURTLE TAXONOMY WORKING GROUP: RHODIN, A.G.J., IVERSON, J.B., FRITZ, U., GALLEGO-GARCÍA, N., GEORGES, A., SHAFFER, H.B., AND VAN DuK, P.P.]. 2025. Turtles of the World: Annotated Checklist and Atlas of Taxonomy, Synonymy, Distribution, and Conservation Status (10th 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.). Conservation Biology of Freshwater Turtles and Tortoises: A Compilation Project of the IUCN SSC Tortoise and Freshwater Turtle Specialist Group. Chelonian Research Monographs 10:1-575 - 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.). Conservation Biology of Freshwater Turtles and Tortoises: A Compilation Project of the IUCN/SSC Tortoise and Freshwater Turtle Specialist Group. Chelonian Research Monographs 8:1–472. doi:10.3854/crm.8.checklist.atlas.v9.2021. - get paper here
  • Valencia-Zuleta A, Jaramillo-Martínez AF, Echeverry-Bocanegra A, Viáfara-Vega R, Hernández-Córdoba O, Cardona-Botero VE, Gutiérrez-Zúñiga J, Castro-Herrera F. 2014. Conservation status of the herpetofauna, protected areas, and current problems in Valle del Cauca, Colombia. Amphibian & Reptile Conservation 8 (2): 1–18 (e87) - get paper here
 
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