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Aspidoscelis cozumela (GADOW, 1906)

IUCN Red List - Aspidoscelis cozumela - Least Concern, LC

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Higher TaxaTeiidae, Teiinae, Gymnophthalmoidea, Sauria, Squamata (lizards)
Common NamesE: Cozumel Racerunner
S: Cuiji de Cozumel 
SynonymCnemidophorus deppei var. cozumela GADOW 1906: 316
Cnemidophorus deppii cozumelus — BURT 1931: 63
Cnemidophorus cozumelus — MCCOY & MASLIN 1962
Cnemidophorus deppii cozumelus — SMITH & TAYLOR 1950: 179
Cnemidophorus cozumela — PETERS et al. 1970: 93
Cnemidophorus cozumela cozumela — MASLIN & SECOY 1986
Cnemidophorus cozumelae — LINER 1994
Cnemidophorus cozumelae — KÖHLER 2000: 100
Cnemidophorus cozumela — KÖHLER 2003: 160
Aspidoscelis cozumela — REEDER et al. 2002
Aspidoscelis cozumela — TAYLOR et al. 2005
Aspidoscelis cozumelae — LINER 2008: 48
Aspidoscelis cozumelae — HEDGES et al. 2019 
DistributionS Mexico (Quintana Roo; Campeche, Mujeres and Cozumel Island), Belize (Turneffe Atoll)

Type locality: Cozumel Island, east coast of Quintana Roo (fide SMITH & TAYLOR 1950).  
ReproductionOviparous. Parthenogenetic species. Considered as valid species by some authors (STAFFORD, pers. comm.). Belongs to the Aspidoscelis cozumela group (fide REEDER et al. 2002). 
TypesSyntypes: BMNH 1886.4.15.17-20 
CommentSubspecies: Aspidoscelis cozumelae maslini (FRITTS 1969) and Aspidoscelis cozumelae rodecki (MCCOY & MASLIN 1962) have been elevated to full species status.

The Aspidoscelis cozumela complex of parthenogenetic lizards of the Yucatán Peninsula originated from hybridization between individuals of Aspidoscelis angusticeps (maternal) and Aspidoscelis deppii deppii (paternal) followed by postorigin clonal divergence. Although morphological and karyotypic patterns of variation among Aspidoscelis cozumela, northern populations of Aspidoscelis maslini, and Aspidoscelis rodecki can be explained by either one-hybridization or two-hybridization models, the most parsimonious alternative is a single hybridization event followed by postformational divergence (Taylor et al. 2014). 
EtymologyNamed after the type locality, Cozumel Island. Since the name is a feminine genitive noun it remains feminine, as determined by the original author. 
  • Burt, C. E. 1931. A study of the teiid lizards of the genus Cnemidophorus with special reference to their phylogenetic relationships. Bull. US Natl. Mus. 154: 286 pp. - get paper here
  • Cordes, James E. and James M. Walker 2006. Evolutionary and Systematic Implications of Skin Histocompatibility Among Parthenogenetic Teiid Lizards: Three Color Pattern Classes of Aspidoscelis dixoni and One of Aspidoscelis tesselata. Copeia, 2006 (1):14-26 - get paper here
  • FINNERTY, JOHN R.; KARINA SCAVO LORD, TINA BARBASCH, RUSSELL LAMAN, LARA HAKAM, RAZIEL PEREZ, HEATHER JENKINS, BRAD J. FORTUNATO, CLINT LOCKWOOD, DAVID BIANCO-CARON & NATHAN L. STEWART. 2021. First report of the Southern Gulf Coast Toad (Incilius valliceps Wiegmann), Common House Gecko (Hemidactylus frenatus Duméril and Bibron), Schmidt’s Black-Striped Snake (Coniophanes schmidti Bailey), and Cozumel Whiptail (Aspidoscelis cozumela Gadow) Caribbean Herpetology 81: 1–14. - get paper here
  • Fritts,T.H. 1969. The systematics of the parthenogenetic lizards ot the Cnemidophorus cozumelae complex. Copeia 1969 (3): 519-535 - get paper here
  • Gadow,H. 1906. A contribution to the study of evolution based upon the Mexican species of Cnemidophorus. Proc. Zool. Soc. London 1906: 277-375 (+ maps) - get paper here
  • González-Sánchez, V. H., J. D. Johnson, E. García-Padilla, V. Mata-Silva, D. L. DeSantis and L. D. Wilson. 2017. The Herpetofauna of the Mexican Yucatan Peninsula: composition, distribution, and conservation status. Mesoamerican Herpetology 4(2): 264–380 - get paper here
  • Köhler, G. 2000. Reptilien und Amphibien Mittelamerikas, Bd 1: Krokodile, Schildkröten, Echsen. Herpeton Verlag, Offenbach, 158 pp.
  • Köhler, G. 2008. Reptiles of Central America. 2nd Ed. Herpeton-Verlag, 400 pp.
  • Lee, J. C. 2000. A field guide to the amphibians and reptiles of the Maya world. Cornell University Press, Ithaca,
  • Lee, J.C. 1996. The amphibians and reptiles of the Yucatán Peninsula. Comstock, Cornell University Press, Ithaca, 500 pp.
  • Manríquez-Morán, N.L.; Villagrán-Santa Cruz, M. & Méndez-de la Cruz, F.R. 2005. Reproductive biology of the parthenogenetic lizard, Aspidocelis cozumelae. Herpetologica 61 (4): 435-439 - get paper here
  • Manríquez-Morán, Norma L., Fausto R. Méndez-de la Cruz, and Robert W. Murphy 2014. Genetic Variation and Origin of Parthenogenesis in the Aspidoscelis cozumela Complex: Evidence from Mitochondrial Genes. Zoological Science 31, No. 1: 14-19. - get paper here
  • Maslin, T. & Secoy, D.M. 1986. A checklist of the lizard genus Cnemidophorus (Teiidae). Contr. Zool. Univ. Colorado Mus. 1: 1-60
  • McCOY, C. J., CENSKY, E. J., & VAN DE VENDER, R. R. 1986. Distribution records for amphibians and reptiles in Belize, Central America. Herpetological Review 17:28-29. - get paper here
  • McCoy,C.J. & Maslin,T.P. 1962. A review of the teiid lizard Cnemidophorus cozumelus and the recognition of a new race, Cnemidophorus cozumelus rodecki. Copeia 1962 (3): 620-627 - get paper here
  • Moritz, Craig C.; Wright, John W.; Singh, V.; Brown, Wesley M. 1992. Mitochondrial DNA analysis and the origin and relative age of parthenogenetic Cnemidophorus. V. The cozumelae species group. Herpetologica 48 (4): 417-424
  • REEDER, T.W.; CHARLES J. COLE AND HERBERT C. DESSAUER 2002. Phylogenetic Relationships of Whiptail Lizards of the Genus Cnemidophorus (Squamata: Teiidae): A Test of Monophyly, Reevaluation of Karyotypic Evolution, and Review of Hybrid Origins. American Museum Novitates 3365: 1-64 - 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
  • Stuart, L. C. 1935. A contribution to a knowledge of the herpetology of a portion of the savanna region of Central Peten, Guatemala. University of Michigan Museum of Zoology Miscellaneous Publications 29: 1-56 - get paper here
  • Taylor, Harry L.; Charles J. Cole, and Christopher R. Cooley 2014. Origins and Evolution in the Aspidoscelis cozumela Complex of Parthenogenetic Teiid Lizards: Morphological and Karyotypic Evidence and Paradoxes. Journal of Herpetology Sep 2014, Vol. 48, No. 3: 343-354. - get paper here
  • TAYLOR, HARRY L.; JAMES M. WALKER; JAMES E. CORDES AND GLENN J. MANNING 2005. Application of the Evolutionary Species Concept to Parthenogenetic Entities: Comparison of Postformational Divergence in Two Clones of Aspidoscelis tesselata and between Aspidoscelis cozumela and Aspidoscelis maslini (Squamata: Teiidae. Journal of Herpetology 39 (2): 266-277 - get paper here
  • Taylor,H.L. & Cooley,C.R. 1995. Patterns of meristic variation among parthenogenetic Teiid lizards (Genus Cnemidophorus) of the Yucatan Peninsula and their progenitor species, C. angusticeps and C. deppei. Journal of Herpetology 29 (4): 583-592 - get paper here
  • Tucker, Derek B.; Guarino R. Colli, Lilian G. Giugliano, S. Blair Hedges, Catriona R. Hendry, Emily Moriarty Lemmon, Alan R. Lemmon, Jack W. Sites Jr., R. Alexander Pyron 2016. Methodological congruence in phylogenomic analyses with morphological support for teiid lizards (Sauria: Teiidae). Molecular Phylogenetics and Evolution 103: 75-84 - get paper here
  • Walker, J. M. 2012. Aspidoscelis cozumela (Isla de Cozumel whiptail) life history. Herpetological Review 43: 328-330 - get paper here
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