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Aspidoscelis rodecki (MCCOY & MASLIN, 1962)

IUCN Red List - Aspidoscelis rodecki - Near Threatened, NT

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Higher TaxaTeiidae, Teiinae, Gymnophthalmoidea, Sauria, Squamata (lizards)
Common NamesE: Rodeck's Whiptail
S: Cuiji de Rodeck 
SynonymCnemidophorus cozumelus rodecki MCCOY & MASLIN 1962
Cnemidophorus rodecki — MASLIN & SECOY 1986
Cnemidophorus rodecki — LINER 1994
Cnemidophorus rodecki — KÖHLER 2000: 100
Aspidoscelis rodecki — REEDER et al. 2002
Aspidoscelis rodecki — LINER & CASAS-ANDREU 2008 
DistributionMexico (Quintana Roo)

Type locality: Isla Mujeres, Quintana Roo, Mexico.  
ReproductionOviparous. Parthenogenetic species. Aspidoscelis rodecki and the A. cozumela complex are diploid unisexuals of the cozumela species group. Both taxa are of hybrid origin, with A. deppii and A. angusticeps being the probable bisexual ancestors (Fritts, 1969; Moritz et al., 1992; Hernandez-Gallegos et al., 1998). Based on mtDNA evidence, Moritz et al. (1992) determined that A. rodecki and the A. cozumela complex were independently derived from an A. angusticeps maternal ancestor. The A. cozumela complex includes several distinct clonal lineages (Fritts, 1969; Moritz et al., 1992; Hernandez-Gallegos et al., 1998) [REEDER et al. 2002]. 
TypesHolotype: UCM 15364 (University of Colorado Museum), collected by T. Paul Maslin, C. J. McCoy, Jr., Lewis A. Pennock, and Hugo G. Rodeck on June 22, 1961. 
DiagnosisDiagnosis: A small race of Cnemidophorus cozumelus characterized by a distinctive gray-blue color, with two pairs of interrupted lateral stripes that become progressively more disrupted with age, white or blue-white subcaudal and subfemoral surfaces and by the presence of no more than one accessory frontoparietal scute.
CommentGroup: Belongs to the Aspidoscelis cozumela group (fide REEDER et al. 2002).

Karyotype: The karyotype of A. rodecki has a diploid number of 50 chromosomes, and exhibits a marked structural heteromorphism. The unique arrangement seems to have originated by Todd ́s fission after the origin of parthenogenesis (hybridization between A. angusticeps and A. deppii) [Manríquez-Morán and Méndez-de la Cruz 2012].

Distribution: not in Yucatan state (Mexico) according to GONZÁLEZ-SÁNCHEZ et al. 2017. 
EtymologyNamed after the collector of the type, Hugo G. Rodeck. 
  • Beolens, Bo; Michael Watkins, and Michael Grayson 2011. The Eponym Dictionary of Reptiles. Johns Hopkins University Press, Baltimore, USA - 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
  • Fritts,T.H. 1969. The systematics of the parthenogenetic lizards ot the Cnemidophorus cozumelae complex. Copeia 1969 (3): 519-535 - 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
  • Hernández-Gallegos, O., F.R. Méndez, M. Villagrán-Santa Cruz & O. Cuellar 2003. Genetic Homogenetiy between Populations of Aspidoscelis rodecki, a Parthenogenetic Lizard from the Yucatán Peninsula Journal of Herpetology 37 (3): 527-532. - get paper here
  • Hernandez-Gallegos, Oswaldo; Manriquez-Moran, Norma; Mendez, Fausto R.;Villagran, Maricela;Cuellar, Orlando 1998. Histocompatibility in parthenogenetic lizards of the Cnemidophorus cozumela complex from the Yucatan Peninsula of Mexico. Biogeographica 74 (3): 117-124
  • Köhler, G. 2000. Reptilien und Amphibien Mittelamerikas, Bd 1: Krokodile, Schildkröten, Echsen. Herpeton Verlag, Offenbach, 158 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, 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
  • Manríquez-Morán, Norma L. and Fausto R. Méndez-de la Cruz 2012. Origin and clonal diversity of the parthenogenetic lizard Aspidoscelis rodecki (Squamata: Teiidae): chromosomal evidence. Phyllomedusa 11 (1): 29-36 - 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. & 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. ; Brown, Wesley M. 1992. Mitochondrial DNA analysis and the origin and relative age of parthenogenetic Cnemidophorus: Phylogenetic constraints on hybrid orgins. Evolution 46 (1): 184-192 - 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
  • Taylor, H. L., and C. R. Cooley. 1995. A multivariate analysis of morphological variation among parthenogenetic lizards of the Cnemidophorus cozumela complex. Herpetologica 51:67-76
  • 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,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
  • Walker, J. M. 2012. Aspidoscelis rodecki (Rodeck's whiptail) life history. Herpetological Review 43: 330-332 - get paper here
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