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Sceloporus exsul DIXON, KETCHERSID & LIEB, 1972

IUCN Red List - Sceloporus exsul - Critically Endangered, CR
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Higher TaxaPhrynosomatidae, Sceloporinae, Iguania, Sauria, Squamata (lizards)
Subspecies 
Common NamesE: Queretaran Desert Lizard
S: Espinosa del Desierto de Querétaro 
SynonymSceloporus exsul DIXON, KETCHERSID & LIEB 1972
Sceloporus exsul — FERGUSON 1982: 183
Sceloporus exsul — LINER 1994
Sceloporus exsul — BELL et al. 2003
Sceloporus exsul — HEIMES 2022 
DistributionMexico (Queretaro)

Type locality: “Peña Blanca, 1420 m, Queretaro, Mexico”  
Reproductionoviparous 
TypesHolotype: TCWC 32376, collected by C. A. Ketchersid, 14 June 1970. 
Diagnosis 
CommentAbundance: this is one of the species called “lost” and “rediscovered” by Lindken et al. 2024. 
EtymologyThe Latin exsul means "a banished person" or an "exile", and refers to the isolated range of this form as a relict in the extreme southern Chihuahua desert. 
References
  • 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
  • Cruz-Elizalde R, Ramírez-Bautista A, Pineda-López R, Mata-Silva V, DeSantis DL, García-Padilla E, Johnson JD, Rocha A, Fucsko LA, Wilson LD. 2022. The herpetofauna of Querétaro, Mexico: composition, distribution, and conservation status. Amphibian & Reptile Conservation 16(1) [General Section]: 148–192 (e308) - get paper here
  • Dixon, James R. and Julio A. Lemos-Espinal 2010. Amphibians and reptiles of the state of Queretaro, Mexico. Tlalnepantla UNAM, 428 pp.
  • Dixon, James R.; Ketchersid, Chesley A. & Lieb, Carl S. 1972. A new species of Sceloporus (undulatus group; Sauria, Iguanidae) from Mexico. Proc. Biol. Soc. Washington 84 (38): 307-312 - get paper here
  • Heimes, P. 2022. LIZARDS OF MEXICO - Part 1 Iguanian lizards. Edition Chimaira, Frankfurt Am Main, 448 pp. - get paper here
  • Köhler, G. & Heimes, P. 2002. Stachelleguane. Herpeton-Verlag (Offenbach), 174 pp.
  • Lindken T.; Anderson, C. V., Ariano-Sánchez, D., Barki, G., Biggs, C., Bowles, P., Chaitanya, R., Cronin, D. T., Jähnig, S. C., Jeschke, J. M., Kennerley, R. J., Lacher, T. E. Jr., Luedtke, J. A., Liu, C., Long, B., Mallon, D., Martin, G. M., Meiri, 2024. What factors influence the rediscovery of lost tetrapod species? Global Change Biology, 30: 1-18 - get paper here
  • Sites, Jack W., Jr.;Haiduk, Michael W. 1979. The karyotype of Sceloporus exsul (Sauria: Iguanidae). Southwestern Naturalist 24 (2): 393-395 - get paper here
  • Smith, Hobart M.;Flores-Villela, Oscar A. 1994. Noteworthy lizards of the genera Phrynosoma and Sceloporus in the Museo de Zoología "Alfonso Herrera". Bull. Maryland Herp. Soc. 30 (3): 114-119 - get paper here
  • Tepos-Ramírez M, Garduño-Fonseca FS, Peralta-Robles CA, García-Rubio OR, Cervantes Jiménez R 2023. Annotated checklist of amphibians and reptiles from Querétaro, Mexico, including new records, and comments on controversial species. Check List 19(2): 269-292 - get paper here
 
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