Kinosternon mexicanum (LE CONTE, 1854)

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Higher Taxa	Kinosternidae (Kinosterninae), Kinosternoidea, Testudines (turtles)
Subspecies
Common Names
Synonym	Kinosternum mexicanum LE CONTE 1854 Kinosternum triliratum LE CONTE 1860 Cinosternum triliratum — GÜNTHER 1885: 14 Kinosternon mexicanum — IVERSON & BERRY 2024 Kinosternon mexicanum —TTWG 2025
Distribution	El Salvador, Guatemala, Honduras, Mexico (Chiapas, Oaxaca) Type locality: San Mateo del Mar, Oaxaca (designated by SMITH & TAYLOR 1950)
Reproduction	Oviparous. Exhibits temperature‐dependent sex determination (TSD) fide Cornejo-Páramo et al. 2020 (and references therein).
Types	Holotype: ANSP 90 Holotype: ANSP ? [triliratum]
Diagnosis
Comment	Synonymy: has been considered as a synonym of K. cruentatum until it was revalidated by Iverson & Berry 2024. See also K. cruentatum. Habitat: freshwater (swamps, quiet rivers) Distribution: See map in TTWG 2025: 138. Iverson & Berry distinguished K. cruentatum and K. mexicanum by some cryptic “discriminant function scores” without providing a diagnosis or other description of the revalidated species. While the two species are only clearly distinguished by genetic markers, they are allopatric with cruentatum only on the Atlantic versant and mexicanum only on the Pacific versant.
Etymology	Named after the type locality.
References	Günther, A. C. L. G. 1885. Reptilia and Batrachia. Biologia Centrali-Américana. Taylor, & Francis, London, 326 pp. [published in parts from 1885-1902; reprint by the SSAR 1987] - get paper here Iverson, John B. & James F. Berry 2024. Morphometric Variation in the Red-Cheeked Mud Turtle (Kinosternon cruentatum) and its Taxonomic Implications Chelonian Conservation and Biology Jun 2024 Vol. 23, No. 1: 13-22 - get paper here Le Conte, J. 1854. Description of four new species of Kinosternum. Proc. Acad. Nat. Sci. Philadelphia 7: 180-190 - get paper here LE CONTE, J. 1860. Description of two new species of tortoises. Proceedings of the Academy of Natural Sciences, Philadelphia 11 [1859]: 4-7 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
External links	National Center for Biotechnology Information Google images

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