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Sceloporus unicanthalis SMITH, 1937

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Higher TaxaPhrynosomatidae, Sceloporinae, Iguania, Sauria, Squamata (lizards)
Subspecies 
Common NamesE: Southwestern Bunchgrass Lizard
S: Escamosa de Pastizal Sureña 
SynonymSceloporus scalaris unicanthalis SMITH 1937
Sceloporus scalaris unicanthalis — SMITH & TAYLOR 1950: 138
Sceloporus scalaris unicanthalis — BELL et al. 2003
Sceloporus unicanthalis — GRUMMER et al. 2014
Sceloporus unicanthalis — JOHNSON et al. 2017
Sceloporus unicanthalis — HEIMES 2022 
DistributionMexico (southern border of the Mexican plateau in C Jalisco, eastern border of Lake Chapala westward to Nayarit.

Type locality: Magdalena, Jalisco.  
Reproductionoviparous. 
TypesHolotype: FMNH 100101, formerly EHT-HMS 7699, collected by H. M. Smith, 30 June 1935 
DiagnosisDiagnosis: Smith 1939: 349. 
Comment 
EtymologyNamed after Latin unus, "one," the Greek canthus, "corner," and the Latin suffix -alis, "pertaining to," refer to the distinctive single canthal scale. 
References
  • Ballinger, R. E.;Congdon, J. D. 1981. Population ecology and life history of a montane lizard (Sceloporus scalaris) in southeastern Arizona. Journal of Natural History 15: 213-222 - get paper here
  • Ballinger, R. E.;Congdon, J. D. 1996. Status of the bunch grass lizard, Sceloporus scalaris, in the Chiricahua Mountains of southeastern Arizona. Bull. Maryland Herp. Soc. 32: 67-69 - get paper here
  • Bell, E.L.; Smith, H.M. & Chiszar, D. 2003. AN ANNOTATED LIST OF THE SPECIES-GROUP NAMES APPLIED TO THE LIZARD GENUS SCELOPORUS. Acta Zoologica Mexicana (n.s.) 90: 103-174 - get paper here
  • Benabib, Miriam; Kjer, Karl M.; Sites, Jack W., Jr 1997. Mitochondrial DNA sequence-based phylogeny and the evolution of viviparity in the Sceloporus scalaris group (Reptilia, Squamata). Evolution 51 (4): 1262-1275 - get paper here
  • Blackburn, D.G. 1993. STANDARDIZED CRITERIA FOR THE RECOGNITION OF REPRODUCTIVE MODES IN SQUAMATE REPTILES. Herpetologica 49 (1): 118-132 - 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
  • Bryson, Robert W.; Uri Omar García-Vázquez, Brett R. Riddle 2011. Relative roles of Neogene vicariance and Quaternary climate change on the historical diversification of bunchgrass lizards (Sceloporus scalaris group) in Mexico. Molecular Phylogenetics and Evolution 62 (1): 447-457 - get paper here
  • Carbajal-Márquez, Rubén A. and Gustavo E. Quintero-Díaz. 2013. Sceloporus scalaris (light-bellied bunchgrass lizard) clutch size. Herpetological Review 44 (4): 683 - get paper here
  • Carbajal-Márquez, Rubén A., Christian M. García-Balderas, Gustavo E. Quintero-Díaz, Ana G. Pérez-Delgadillo and Raramuri Reyes-Ardit. 2013. Sceloporus scalaris (light-bellied bunchgrass lizard) mating behavior. Herpetological Review 44 (4): 683-684 - get paper here
  • Castro Franco, R. & M. G. Bustos-Zagal 2003. Lagartijas de Morelos, México: distribución, hábitat y conservación. Acta Zoológica Mexicana (n.s.) 88:123-142 - get paper here
  • Castro-Franco, Rubén, María Guasalupe Bustos-Zagal 1994. List of reptiles of Morelos, Mexico, and their distribution in relation to vegetation types. Southwestern Naturalist 39 (2): 171-175 - get paper here
  • Cobarrubias, Edgar Flores; Daniel Cruz-Sáenz, and David Lazcano 2012. Notes on the Herpetofauna of Western Mexico 6: Amphibians and Reptiles of Hostotipaquillo, Jalisco, Mexico. Bull. Chicago Herp. Soc. 47 (2):21-26 - get paper here
  • Creer, Douglas A.; Kjer, Karl M.; Simmons, Daniel L.; Sites, Jack W., Jr 1997. Phylogenetic relationships of Sceloporus scalaris species group (Squamata). Journal of Herpetology 31 (3): 353-364 - get paper here
  • Degenhardt, William G.; C. W. Painter, and A. H. Price 1996. Amphibians and reptiles of New Mexico. Univ. New Mexico Press, 431 pp.
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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
  • Duméril, A. M.C., G. BIBRON & A. DUMÉRIL 1854. Erpétologie générale ou Histoire Naturelle complète des Reptiles. Vol. 9. Paris, XX + 440 S. - get paper here
  • Fitch, H. S. 1978. Sexual size differences in the genus Sceloporus. Univ. Kansas Sci. Bull. 51 (13): 441-461 - get paper here
  • Gravenhorst, J. L. C. 1838. Beiträge zur genaueren Kenntniss einiger Eidechsengattungen. Nova Acta Acad. Caes. Leop.-Carol. 18: 712-784 [1837]
  • GRUMMER, JARED A. & ROBERT W. BRYSON JR. 2014. A new species of bunchgrass lizard (Squamata: Phrynosomatidae) from the southern sky islands of the Sierra Madre Occidental, Mexico. Zootaxa 3790 (3): 439–450 - get paper here
  • Heimes, P. 2022. LIZARDS OF MEXICO - Part 1 Iguanian lizards. Edition Chimaira, Frankfurt Am Main, 448 pp. - get paper here
  • Howland, Jeffrey M.;Whittinghill-Howland, Jan M. 1995. Sceloporus scalaris. Herpetological Review 26 (3): 155 - get paper here
  • Johnson, J. D., L. D. Wilson, V. Mata-Silva, E. García-Padilla, and D. L. DeSantis. 2017. The endemic herpetofauna of Mexico: organisms of global significance in severe peril. Mesoamerican Herpetology 4(3): 544–620 - get paper here
  • Leaché, A.D. 2010. Species trees for spiny lizards (Genus Sceloporus): Identifying points of concordance and conflict between nuclear and mitochondrial data. Molecular Phylogenetics and Evolution 54: 162–171 - get paper here
  • Leaché, A.D. & J.W.Sites, Jr. 2009. Chromosome Evolution and Diversification in North American Spiny Lizards (Genus Sceloporus). Cytogenet Genome Res 127: 166-181 - get paper here
  • Lemos-Espinal JA, Smith GR, Pierce LJS, Painter CW 2020. The amphibians and reptiles of Colima, Mexico, with a summary of their conservation status. ZooKeys 927: 99-125 - get paper here
  • Lemos-Espinal, Julio A. and James R. Dixon 2013. Amphibians and Reptiles of San Luis Potosí. Eagle Mountain Publishing, xii + 300 pp.
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  • Loc-Barragán JA, Smith GR, Woolrich-Piña GA, Lemos-Espinal JA 2024. An updated checklist of the amphibians and reptiles of Nayarit, Mexico with conservation status and comparison with adjoining States. Herpetozoa 37: 25-42 - get paper here
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  • Muñoz-Nolasco, Francisco Javier; Daniel Cruz-Sáenz, Oscar Jair Rodríguez-Ruvalcaba and Isaac Enrique Terrones-Ferreiro 2015. Notes on the Herpetofauna of Western Mexico 12: Herpetofauna of a Temperate Forest in Mazamitla, Southeastern Jalisco, Mexico. Bull. Chicago Herp. Soc. 50 (4):45-50 - get paper here
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  • 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
 
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