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Phrynosoma cornutum (HARLAN, 1824)

IUCN Red List - Phrynosoma cornutum - Least Concern, LC

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Higher TaxaPhrynosomatidae, Phrynosomatinae, Phrynosomatini; Iguania, Sauria (lizards) 
Common NamesTexas Horned Lizard 
SynonymAgama cornuta HARLAN 1825: 299
Lacerta cornuta — CUVIER 1819: 37 (fide GENTRY 1885)
Tapaya cornuta — CUVIER 1829: 37
Phrynosoma cornutum — GRAY in GRIFFITH 1831: 9
Phrynosoma bufonium WIEGMANN 1828: 367
Phrynosoma harlanii WIEGMANN 1834: 54
Phrynosoma Harlanii — DUMÉRIL & BIBRON 1837: 314
Tropidogaster cornutus — FITZINGER 1843: 79 (fide GENTRY 1885)
Phrynosoma Harlani — NEILL 1846: 99
Phrynosoma planiceps HALLOWELL 1852: 178
Phrynosoma cornutum planiceps — BOULENGER 1885: 246
Phrynosoma cornutum — SMITH & TAYLOR 1950: 99
Phrynosoma cornutum — STEBBINS 1985: 139
Phrynosoma cornutum — CONANT & COLLINS 1991: 112
Phrynosoma cornutum — LINER 1994
Phrynosoma cornutum — LINER 2007 
DistributionUSA (SE Colorado, Kansas, New Mexico, SE Arizona, Texas, NW Louisiana, Oklahoma, North Carolina, introduced to Florida),
Mexico (Chihuahua, Coahuila, Durango, Nuevo Leon, , San Luis Potosí, Sonora, Tamaulipas),
Canada (British Columbia [fide BOULENGER 1887])

Type locality: Great Plains east of the Rocky Mountains. Restricted to Fort Riley, Geary County, Kansas. Map legend:
TDWG region - Region according to the TDWG standard, not a precise distribution map.

NOTE: TDWG regions are generated automatically from the text in the distribution field and not in every cases it works well. We are working on it.
TypesHolotype: unknown fide SMITH & TAYLOR 1950
Holotype: ANSP 8641 [planiceps] 
CommentSynonymy after SMITH & TAYLOR 1950.

Hybridization: Healthy P. coronatum and P. cornutum hybrids have been obtained by BAUR (1983). 
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  • Baur, B. 1983. Krötenechsen-Bastarde (Phrynosoma) (Sauria: Iguanidae). Salamandra 20 (2/3): 70-87
  • Bogosian, Victor; Eric C. Hellgren, and Raymond W. Moody 2012. Assemblages of Amphibians, Reptiles, and Mammals on an Urban Military Base in Oklahoma. The Southwestern Naturalist 57 (3): 277-284. - get paper here
  • Boulenger, G.A. 1885. Catalogue of the lizards in the British Museum (Natural History). Vol. 2, Second edition. London, xiii+497 pp. - get paper here
  • Boulenger, G.A. 1887. On the affinity of the north-American lizard fauna. Ann. Mag. Nat. Hist. (5) 20: 345-346 - get paper here
  • Burt, Charles E. 1935. Further records of the ecology and distribution of amphibians and reptiles in the middle west American Midland Naturalist 16 (3): 311-336 - get paper here
  • Conant,R. & Collins,J.T. 1991. A Field Guide to Reptiles and Amphibians of Eastern/Central North America, 3rd ed. Houghton Mifflin (Boston/New York), xx + 450 p.
  • Cooper, William E. and Wade C. Sherbrooke. 2010. Initiation of escape behavior by the Texas horned lizard (Phrynosoma cornutum). Herpetologica 66 (1): 23-30 - get paper here
  • Crother, B. I. (ed.) 2012. Standard Common and Current Scientific Names for North American Amphibians, Turtles, Reptiles, and Crocodilians, Seventh Edition. Herpetological Circular 39: 1-92
  • Cuvier, G. J. L. N. F. D. 1829. Le Regne Animal Distribué, d'apres son Organisation, pur servir de base à l'Histoire naturelle des Animaux et d'introduction à l'Anatomie Comparé. Nouvelle Edition [second edition]. Vol. 2. Les Reptiles. Déterville, Paris, i-xvi, 1-406
  • de Grijs,P. 1899. Notes on the faculty of changing colour in reptiles. Ann. Mag. Nat. Hist. (7) 3: 396-402 - get paper here
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  • Duméril, A. M. C. and G. Bibron. 1837. Erpétologie Générale ou Histoire Naturelle Complete des Reptiles. Vol. 4. Libr. Encyclopédique Roret, Paris, 570 pp. - get paper here
  • Edwards, C.L. 1896. Notes on the biology of Phrynosoma cornutum Harlan. Zool. Anz. 19: 108-111 - get paper here
  • Eifler, Douglas A.; Maria A. Eifler, and Tracey K. Brown 2012. Habitat Selection by Foraging Texas Horned Lizards, Phrynosoma cornutum The Southwestern Naturalist Mar 2012, Vol. 57, No. 1: 39-43. - get paper here
  • Endriss, Debora A.; Eric C. Hellgren, Stanley F. Fox, and Raymond W. Moody 2007. DEMOGRAPHY OF AN URBAN POPULATION OF THE TEXAS HORNED LIZARD (PHRYNOSOMA CORNUTUM) IN CENTRAL OKLAHOMA. Herpetologica 63 (3): 320-331 - get paper here
  • Fitzinger, L. 1843. Systema Reptilium, fasciculus primus, Amblyglossae. Braumüller et Seidel, Wien: 106 pp. - 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]
  • Hallowell,E. 1852. Descriptions of new species of reptiles inhabiting North America. Proc. Acad. Nat. Sci. Philadelphia 6: 177-182 - get paper here
  • Harlan, R. 1824. Description of a new species of Agama. J. Acad. Nat. Sci. Philadelphia 4: 296-305 - get paper here
  • Jensen, John B. 1994. Phrynosoma cornutum (Texas horned lizard). USA: Florida Herpetological Review 25 (4): 165 - get paper here
  • Lara-Resendiz, Rafael A., Hector Gadsden and Fausto R. Mendez-de la Cruz. 2013. Phrynosoma cornutum (Texas horned lizard) nocturnal activity. Herpetological Review 44 (2): 326-327
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  • Lemos-Espinal, J.A. & Smith, H.M. 2007. Amphibians and reptiles of the state of Coahuila, Mexico. Universidad Nacional Autonoma de Mexico, 550 pp.
  • Lemos-Espinal, J.A. & Smith, H.M. 2007. Amphibians and reptiles of the state of Chihuahua, Mexico. Universidad Nacional Autonoma de Mexico, 613 pp.
  • Liner, Ernest A. 2007. A CHECKLIST OF THE AMPHIBIANS AND REPTILES OF MEXICO. Louisiana State University Occasional Papers of the Museum of Natural Science 80: 1-60
  • Martin, Plul S. 1958. A biogeography of reptiles and amphibians in the Gomez Farias Region, Tamaulipas, Mexico Miscellaneous publications, Museum of Zoology, University of Michigan (101): 1-102 + 7 plates - get paper here
  • Meshaka Jr., Walter E. 2011. A RUNAWAY TRAIN IN THE MAKING: THE EXOTIC AMPHIBIANS, REPTILES, TURTLES, AND CROCODILIANS OF FLORIDA. Herp. Cons. Biol. 6 (Monograph 1): 1-101 - get paper here
  • Meyers, J.J.; Herrel, A. & Nishikawa, K. 2006. Morphological correlates of ant eating in horned lizards (Phrynosoma). Biological Journal of the Linnean Society 89: 13–24 - get paper here
  • Montgomery, Chad;Childers, Theresa;Manzer, Jerry D.;Bergman, Enoch;Sifert, James;Hill, Ben;Mackessy, 1998. Geographic Distribution. Phrynosoma cornutum Herpetological Review 29 (2): 110 - get paper here
  • Neill,Patrick 1846. Notes on Phrynosoma Harlani, Wieg. Ann. Mag. nat. Hist. (1) 17: 99-100 - get paper here
  • Palmer, W.M. & Braswell, A.L. 1995. Reptiles of North Carolina. Univ. North Carolina Press
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  • Reeder,T.W. & Montanucci,R.R. 2001. Phylogenetic analysis of the horned lizards (Phrynomomatidae: Phrynosoma): evidence from mitochondrial DNA and morphology. Copeia 2001 (2): 309-323 - get paper here
  • Sattler, Paul W.;Ries, J. Scott 1995. Intraspecific genetic variation among four populations of the Texas horned lizard, Phrynosoma cornutum Journal of Herpetology 29 (1): 137-141 - get paper here
  • Sherbrooke, W. C. 2004. Integumental water movement and rate of water ingestion during rain harvesting in the Texas horned lizard, Phrynosoma cornutum. Amphibia-Reptilia 25 (1): 29-39 - get paper here
  • Sherbrooke, Wade C. 2003. Introduction to Horned Lizards of North America. University of California Press, Berkeley, 178 pp.
  • Smith, H.M. 1935. Miscellaneous notes on Mexican lizards. Univ. Kansas Sci. Bull. 22: 119-156 - get paper here
  • Smith, Hobart M.;Leonard, Arthur B. 1934. Distributional records of reptiles and amphibians in Oklahoma. American Midland Naturalist 15: 190-196 - get paper here
  • Smith,H.M. & Taylor,E.H. 1950. An annotated checklist and key to the reptiles of Mexico exclusive of the snakes. Bull. US Natl. Mus. 199: 1-253 - get paper here
  • Stebbins,R.C. 1985. A Field Guide to Western Reptiles and Amphibians, 2nd ed. Houghton Mifflin, Boston
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  • Wiegmann,A.F.A. 1834. Herpetologia Mexicana, seu descriptio amphibiorum novae hispaniae , quae itineribus comitis de Sack, Ferdinandi Deppe et Chr. Guil. Schiede im Museum Zoologicum Berolinense Pervenerunt. Pars prima, saurorum species. Berlin, Lüderitz, iv + 54 pp. - get paper here
  • Wilgers, D.J.; Horne, E.A.; Sandercock, B.K. & Volkmann, A.W. 2006. Effects of rangeland management on community dynamics of the herpetofauna of the Tall-grass Prairie [Flint Hills, Kansas/Oklahoma]. Herpetologica 62 (4): 378-388 - get paper here
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  • Yancy, Franklin D.;Roberts, Kristie Jo 1996. Geographic Distribution. Phrynosoma cornutum Herpetological Review 27 (4): 211 - get paper here
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