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Trachemys ornata (GRAY, 1831)

IUCN Red List - Trachemys ornata - Vulnerable, VU

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Higher TaxaEmydidae, Deirochelyinae, Testudinoidea, Testudines (turtles)
Common NamesE: Ornate Slider
S: Jicotea 
SynonymEmys ornata GRAY in GRIFFITH 1831: 12
Emys venusta GRAY 1855
Emys valida LE CONTE 1860 (?)
Callichelys ornata — GRAY 1863: 181
Callichelys venusta — GRAY 1863: 181
Emys venusta — GRAY 1873: 110
Emys salvini GÜNTHER 1885: 4
Emys cataspila GÜNTHER 1885
Chrysemys ornata var. cataspila — BOULENGER 1889
Pseudemys ornata ornata — MERTENS et al. 1934
Pseudemys ornata — STUART 1937
Pseudemys scripta ornata — STUART 1948
Pseudemys scripta ornata — ZWEIFEL 1959
Pseudemys scripta ornata — NEILL & ALLEN 1959
Chrysemys scripta ornata — HARDY 1969: 105
Chrysemys ornata — WILSON & HAHN 1973
Trachemys ornata — SEIDEL 2002
Chrysemys ornata — SAVAGE 2002
Trachemys ornata — FRITZ & HAVAS 2007
Chrysemys ornata — SAVAGE & BOLANOS 2009
Trachemys venusta — SAVAGE & BOLANOS 2009
Trachemys ornata — TTWG 2014: 363
Trachemys ornata — VARGAS-RAMÍREZ et al. 2017
Trachemys ornata — TTWG 2021 
DistributionMexico (Guerrero, Jalisco, Nayarit, Sinaloa, Michoacán)

Type locality: Mazatlan  
TypesHolotype: unlocated
Holotype: ANSP 216 [valida] 
CommentStatus unclear. T. (s.) ornata is not mentioned in a recent list by OBST (2003), nor by ERNST & LOVICH 2009.

Distribution: not in Honduras, Nicaragua, Costa Rica, Panama, USA (introduced to Florida) according to Rhodin et al. (2010). Listed for El Salvador by Mertens 1952: 36. Reports from Guatemala may represent T. s. venusta (STUART 1948).

Habitat: freshwater (lakes, ponds, rivers) 
EtymologyNamed after the ornate, decorated carapace and plastron patterns. 
  • Bour, R. 2008. Global diversity of turtles (Chelonii; Reptilia) in freshwater. Hydrobiologia 595:593–598 - get paper here
  • Cupul-Magaña F. G. & J. B. Mountjoy. 2012. Trachemys ornata (Gray, 1831) (Testudines: Emydidae) in an archaeological site in western Mexico. [in Spanish]. Acta Zoológica Mexicana (n. s.) 28 (1): 222-226 - get paper here
  • Ernst, C. H. and M. E. Seidel. 2008. Trachemys ornata. Catalogue of American Amphibians and Reptiles (847): 1-4 - get paper here
  • Escobedo-Galván, A. H., F. Mc Cann, M. Vásquez-Bolaños, G. Casas-Andreu, and F. G. Cupul-Magaña. 2017. Trachemys ornata (Gray, 1831). Predation and reproduction. Mesoamerican Herpetology 4(3): 654–656 - get paper here
  • Gray, J. E. 1831. A synopsis of the species of Class Reptilia. In: Griffith, E & E. Pidgeon: The animal kingdom arranged in conformity with its organisation by the Baron Cuvier with additional descriptions of all the species hither named, and of many before noticed [V Whittaker, Treacher and Co., London: 481 + 110 pp. [1830]
  • Gray, J. E. 1863. Notes on American Emydidae, and Professor Agassiz’s observations on my Catalogue of them. Ann. Mag. nat. Hist. (3) 12: 176-183 - get paper here
  • Gray,J.E. 1855. Description of a new genus and some new species of tortoises. Ann. Mag. Nat. Hist. (2) 15: 67-69 - get paper here
  • Gray,J.E. 1873. Notes on the tortoises of the ‘Zoology of Mexico’ of MM.A. Duméril and Bocourt. Ann. Mag. Nat. Hist. (4) 12: 109-114 - get paper here
  • 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
  • Hardy, L.M., & McDiarmid, R.W. 1969. The amphibians and reptiles of Sinaloa, Mexico. Univ. Kansas Publ. Mus. Nat. Hist. 18 (3): 39-252. - get paper here
  • Hedges SB, Powell R, Henderson RW, Hanson S, and Murphy JC 2019. Definition of the Caribbean Islands biogeographic region, with checklist and recommendations for standardized common names of amphibians and reptiles. Caribbean Herpetology 67: 1–53
  • Hernández-Macías, N. E., A. R. Raymundo-Huizar, R.García de Quevedo-Machain, M. Vasquez-Bolaños, G. Casas-Andreu, and F. Germán Cupul-Magaña. 2017. Trachemys ornata (Gray, 1831). Diet. Mesoamerican Herpetology 4(1): 188–190 - get paper here
  • Krysko, K.K.; Enge, K.M.; Donlan, E.M.; Golden, E.Z.; Burgess, J.P. & Larson, K.W. 2009. THE NON-MARINE HERPETOFAUNA OF KEY BISCAYNE, FLORIDA. Herp. Cons. Biol. 5 (1):132-142 - get paper here
  • Lemos-Espinal JA, Smith GR 2020. A checklist of the amphibians and reptiles of Sinaloa, Mexico with a conservation status summary and comparisons with neighboring states. ZooKeys 931: 85-114 - get paper here
  • Loc-barragán J.A., D., Lazcano y G.A Woolrich-Piña. 2018. Notes on the Herpetofauna of Nayarit, Mexico 2: Amphibians and Reptiles of the Municipality of Compostela. Bulletin of the Chicago Herpetological Society 53(10): 205-212
  • Loc-Barragán, Jesús Alberto and David Lazcano 2018. Notes on the Herpetofauna of Nayarit, Mexico 1: Amphibians and Reptiles of the Municipality of Tecuala. Bulletin of the Chicago Herpetological Society 53(4):73-80
  • Loc-Barragán, Jesús A.; Zarah I. Sosa-Hernández, Christoph I. Grünwald, Emmanuel Miramontes-Medina, Jorge A. Bañuelos-Alamillo, Guillermo A. Woolrich-Piña and David Lazcano 2019. Notes on the Herpetofauna of Nayarit, Mexico 3: Amphibians and Reptiles of the Municipality of Huajicori. Bulletin of the Chicago Herpetological Society 54(10): 205-213 - get paper here
  • McCord, William P.; Mehdi Joseph-Ouni, Cris Hagen, and Torsten Blanck 2010. Three New Subspecies of Trachemys venusta (Testudines: Emydidae) from Honduras, Northern Yucatán (Mexico), and Pacific Coastal Panama. Reptilia (GB): 39-49 - get paper here
  • McCranie, James R.; Frank Köhler, Alexander Gutsche and Leonardo Valdés Orellana 2013. Trachemys grayi emolli (Testudines, Emydidae) in Honduras and its systematic relationships based on mitochondrial DNA. Zoosystematics and Evolution 89 (1): 21–29 - get paper here
  • Mendoza-Hernández, A. A. and A. J. Roth-Monzón 2017. Geographic Distribution: Trachemys ornata (Ornate Slider). Herpetological Review 48 (2): 387-388 - get paper here
  • Mertens, R. 1952. Die Amphibien und Reptilien von El Salvador. Abh. senckenb. naturf. Ges. (Frankfurt) (No. 487): 120 pp.
  • Mertz, William H., Jacobo Reyes-Velasco and Christoph I. Grünwald. 2015. Geographic Distribution: Trachemys ornata (ornate slider). Herpetological Review 46 (1): 58 - get paper here
  • Neill, Wilfred T. and E. Ross Allen. 1959. Studies on the amphibians and reptiles of British Honduras. Publications of the Research Division Ross Allen's Reptiles Institute. 2 (1): 1-76
  • Palacios-Aguilar, Ricardo & OSCAR FLORES-VILLELA 2018. An updated checklist of the herpetofauna from Guerrero, Mexico. Zootaxa 4422 (1): 1-24 - get paper here
  • Savage, J.M. 2002. The Amphibians and Reptiles of Costa Rica: A Herpetofauna Between Two Continents, Between Two Seas. University of Chicago Press, 934 pp. [review in Copeia 2003 (1): 205]
  • Savage, J.M. & Bolaños, F. 2009. A checklist of the Amphibians and Reptiles of Costa Rica: Additions and nomenclatural revisions. Zootaxa 2005: 1–23 - get paper here
  • Seidel, Michael E. 2002. Taxonomic observations on extant species and subspecies of slider turtles, genus Trachemys. Journal of Herpetology 36 (2): 285-292 - get paper here
  • Seidel, Michael E. & Carl H. Ernst 2017. A Systematic Review of the Turtle Family Emydidae. Vertebrate Zoology 67 (1): 1–122 - get paper here
  • Stuart, L. C. 1937. Some further notes on the amphibians and reptiles of the Peten Forest of Northern Guatemala. Copeia 1937 (1): 67-70 - get paper here
  • Stuart, L. C. 1948. The amphibians and reptiles of Alta Verapaz Guatamala. Miscellaneous Publications, Museum of Zoology, University of Michigan 69: 1-109 - 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-Ramírez M, del Valle C, Ceballos CP, Fritz U. 2017. Trachemys medemi n. sp. from northwestern Colombia turns the biogeography of South American slider turtles upside down. J Zool Syst Evol Res. 2017;55:326–339 - get paper here
  • Wilson, L. D., & HAHN, D. E. 1973. The herpetofauna of the Islas de la Bahía, Honduras. Bulletin of the Florida State Museum 17: 93-150. - get paper here
  • Woolrich-Piña, Guillermo A, Paulino Ponce-Campos, Jesús Loc-Barragán, Juan Pablo Ramírez-Silva, Vicente Mata-Silva, Jerry D. Johnson, Elí García-Padilla and Larry David Wilson. 2016. The herpetofauna of Nayarit, Mexico: composition, distribution, and conservation status. Mesoamerican Herpetology 3 (2): 376-448 - get paper here
  • Zweifel, Richard G. 1959. Additions to the herpetofauna of Nayarit, Mexico. American Museum Novitates (1953): 1-13 - get paper here
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