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Aspidoscelis martyris (STEJNEGER, 1891)

IUCN Red List - Aspidoscelis martyris - Vulnerable, VU

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Higher TaxaTeiidae, Teiinae, Gymnophthalmoidea, Sauria, Squamata (lizards)
Subspecies 
Common NamesE: San Pedro Martir Whiptail
S: Huico 
SynonymCnemidophorus martyris STEJNEGER 1891
Cnemidophorus martyris — VAN DENBURGH 1895: 125
Cnemidophorus tesselatus martyris — BURT 1931: 205
Cnemidophorus tigris martyris — SMITH & TAYLOR 1950: 191
Cnemidophorus tesselatus martyris — BURT 1931: 205
Cnemidophorus martyris — MASLIN & SECOY 1986
Cnemidophorus martyris — LINER 1994
Aspidoscelis martyris — LINER 2007
Aspidoscelis martyris — WALKER et al. 2015
Aspidoscelis martyris — JOHNSON et al. 2017 
DistributionMexico (San Pedro Mártir Island, Gulf of California, Sonora)

Type locality: San Pedro Mártir Island, Gulf of California, Sonora.  
Reproductionoviparous 
TypesHolotype: USNM 15620 
DiagnosisDiagnosis: This form is distinguished solely by its coloration. The back is always very finely reticulated or unicolor above and on the sides, although the reticulations sometimes tend to break into spots to produce a pattern similar to that found in the closely related southern forms, bacatus and catalinensis. Martyris is very close to canus, differing from it merely in the possession of a much darker ground color. The lower labials of all of the martyris specimens examined are deep brown or black, while those of typical canus are colored some shade of light gray, slate or brown. On South San Lorenzo Island there are such perfect intermediates between the two forms that they can not be conscientiously referred to either subspecies. These are discussed in detail under canus. The whiptail of San Pedro Martir Island differs from typical tessellatus in its much smaller maximum size, in a relative reduction of the length of the hind limbs, and in the obsolescence or extreme fineness of the dorsal and lateral reticulations. However, it is very closely approached by certain specimens of this form. (Burt 1931)


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CommentIntergrades with Cnemidophorus tigris canus on South San Lorenzo Island (fide SMITH & TAYLOR 1950). Not mentioned in REEDER et al. (2002).

Abundance: only known from the type locality (Meiri et al. 2017). 
EtymologyNamed after Latin martyris, martyr; witness; one who by his death bears witness to the truth of Christ. [“...Habitat : San Pedro Martir Island, Gulf of California...”]. 
References
  • 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
  • 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
  • Lemos-Espinal JA, Smith GR, Rorabaugh JC 2019. A conservation checklist of the amphibians and reptiles of Sonora, Mexico, with updated species lists. ZooKeys 829: 131-160 - get paper here
  • 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 - 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
  • Meiri, Shai; Aaron M. Bauer, Allen Allison, Fernando Castro-Herrera, Laurent Chirio, Guarino Colli, Indraneil Das, Tiffany M. Doan, Frank Glaw, Lee L. Grismer, Marinus Hoogmoed, Fred Kraus, Matthew LeBreton, Danny Meirte, Zoltán T. Nagy, Cristiano d 2017. Extinct, obscure or imaginary: the lizard species with the smallest ranges. Diversity and Distributions 24 (2): 262-273 - get paper here
  • 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
  • Stejneger, L. 1891. Description of a new species of lizard from the Island San Pedro Martir, Gulf of California. Proc. US Natl. Mus. 14 (864): 407-408 - get paper here
  • Van Denburgh,J. 1895. A review of the herpetology of Lower California. Part I - Reptiles. Proc. Cal. Acad. Sci. (2) 5: 77-163 - get paper here
  • Walker, James M.; James E. Cordes, Glenn J. Manning, and Brian K. Sullivan 2015. Aspidoscelis tigris septentrionalis (Burger, 1950), Plateau Tiger Whiptail, in the Western United States: <br />Individual, Ontogenetic, and Geographic Variation In Color Pattern. Herp. Cons. Biol. 10 (3) - get paper here
 
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