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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 NamesOrnate Slider 
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
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 
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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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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