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Kinosternon angustipons LEGLER, 1965

IUCN Red List - Kinosternon angustipons - Vulnerable, VU
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Higher TaxaKinosternidae (Kinosterninae), Kinosternoidea, Testudines (turtles)
Subspecies 
Common NamesE: Central American Mud Turtle 
SynonymKinosternon angustipons LEGLER 1965
Kinosternon angustipons — ERNST & BARBOUR 1989: 90
Kinosternon angustipons — KÖHLER 2000: 26
Cryptochelys angustipons — IVERSON et al. 2013
Kinosternon angustipons — SPINKS et al. 2014
Kinosternon angustipons — TTWG 2014: 346
Kinosternon angustipons — TTWG 2021
Kinosternon angustipons — TTWG 2025 
DistributionNicaragua, Costa Rica, Panama (Caribbean lowlands from the Rio San Juan southward to Bocas del Toro Province in Panama)

Type locality: "Los Diamantes, Limon Province, Costa Rica".  
Reproductionoviparous. 
TypesHolotype: KU 43631. 
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 1850 characters), are available for collaborators and contributors. Please contact us for details. 
CommentNot listed for Panama by KÖHLER (2000).

Habitat: freshwater (swamps, quiet rivers)

Distribution: see map in TTWG 2025. 
EtymologyNamed after angust (Latin) = narrow, and pons (Latin) = a brigde: “a narrow bridge”. The species having a narrow bridge, 20% or less of length of carapace (Legler 1965). 
References
  • 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
  • Ernst,C.H. and Barbour,R.W. 1989. Turtles of the World. Smithsonian Institution Press, Washington D.C. - London
  • Iverson, J.B. 1981. Kinosternon angustipons Legler. Catalogue of American Amphibians and Reptiles 262: 1-2 [1980] - get paper here
  • Iverson, John B.; Minh Le, Colleen Ingram 2013. Molecular phylogenetics of the mud and musk turtle family Kinosternidae. Molecular Phylogenetics and Evolution 69 (3): 929–939 - get paper here
  • Köhler, G. 2000. Reptilien und Amphibien Mittelamerikas, Bd 1: Krokodile, Schildkröten, Echsen. Herpeton Verlag, Offenbach, 158 pp.
  • Köhler, G. 2008. Reptiles of Central America. 2nd Ed. Herpeton-Verlag, 400 pp.
  • Legler, J.M. 1965. A new species of turtle, genus Kinosternon, from Central America. Univ. Kansas Publ. Mus. Nat. Hist. 15: 615-625 - get paper here
  • Legler, J.M. 1966. Notes on the natural history of a rare Central American turtle, Kinosternon angustipons Legler Herpetologica 22 (2): 118-122. - get paper here
  • Nemuras, K. 1967. Notes on the Herpetology of Panama: Part 3. Bull. Maryland Herp. Soc. 3 (2): 31-40 - get paper here
  • Sasa, M., Arias, E., & Chaves, G. 2025. Annotated list of amphibians and reptiles of Costa Rica: The role of the Museum of Zoology in cataloging the country’s herpetological diversity. Revista de Biología Tropical, 73(S2): e64536-e64536 - get paper here
  • Schilde, M. 2001. Schlammschildkröten: Kinosternon, Sternotherus, Claudius, Staurotypus. Natur und Tier Verlag (Münster), 136 pp. - get paper here
  • Spinks, Phillip Q.; Robert C. Thomson, Müge Gidiş, H. Bradley Shaffer 2014. Multilocus phylogeny of the New-World mud turtles (Kinosternidae) supports the traditional classification of the group. Molecular Phylogenetics and Evolution, - get paper here
  • Sunyer, J.; Townsend, J.H.; Wilson, L.D.; Travers, S.L.; Obando, A.; Páiz, G.; Griffith, D.M. & Köhler, G. 2009. Three new country records or reptiles from Nicaragua. Salamandra 45 (3): 186-190 - get paper here
  • Sunyer, Javier 2014. An updated checklist of the amphibians and reptiles of Nicaragua. Mesoamerican Herpetology 1 (2): 186–202. - get paper here
  • Sunyer, Javier & José́ Gabriel Martínez-Fonseca 2023. An updated country checklist to the amphibians and reptiles of Nicaragua. REVISTA NICARAGÜENSE DE BIODIVERSIDAD (100): 1-25 - 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
 
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