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Barisia levicollis STEJNEGER, 1890

IUCN Red List - Barisia levicollis - Data Deficient, DD
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Higher TaxaAnguidae (Gerrhonotinae), Diploglossa, Anguimorpha, Sauria, Squamata (lizards)
Subspecies 
Common NamesE: Chihuahuan Alligator Lizard
S: Escorpión de Chihuahua 
SynonymBarisia levicollis STEJNEGER 1890: 184
Gerrhonotus imbricatus levicollis — DUNN 1936
Gerrhonotus levicollis levicollis — SMITH 1942: 368
Gerrhonotus levicollis levicollis — SMITH 1946: 464
Barisia levicollis — TIHEN 1949: 247
Barisia levicollis — SMITH & TAYLOR 1950: 202
Gerrhonotus imbricatus levicollis — WERMUTH 1969: 18
Barisia levicollis — GUILLETTE & SMITH 1982: 25
Barisia levicollis — LINER 1994
Barisia levicollis — ZALDIVAR-RIVERON et al. 2005 
DistributionNW Mexico (Chihuahua, probably adjacent areas in Sonora), elevation 2400 - 3110 m

Type locality: “Mexican boundary”. Probably Chihuahua (fide TIHEN 1949).  
Reproductionovoviviparous 
TypesHolotype: USNM 9362 
DiagnosisUnfortunately we had to temporarily remove additional information as this was scraped by multiple AI companies who sell that data to their customers. These details, e.g. detailed descriptions or comparisons (about 1343 characters), are available for collaborators and contributors. Please contact us for details. 
CommentSynonymy: Barisia levicollis cillaris (SMITH 1942) has been placed within Barisia imbricata.

Distribution: see Map in GUILLETTE & SMITH 1982: 24 
EtymologyNamed after Latin levis, smooth, smoothed, not rough + Latin colli, neck; throat. [“...nuchal scales not keeled, in ten longitudinal rows...”]. 
References
  • Bryson Jr, R.W. & Riddle, B.R. 2011. Tracing the origins of widespread highland species: a case of Neogene diversification across the Mexican sierras in an endemic lizard. Biological Journal of the Linnean Society, 105: 382–394 [2012, published online 2011] - get paper here
  • Dunn, Emmett Reid 1936. The amphibians and reptiles of the Mexican Expedition of 1934. Proceedings of the Academy of Natural Sciences of Philadelphia 88: 471-477 - get paper here
  • Jones, L.L. & Lovich, R.E. 2009. Lizards of the American Southwest. A photographic field guide. Rio Nuevo Publishers, Tucson, AZ, 568 pp. [review in Reptilia 86: 84] - get paper here
  • Smith, Hobart 1942. Mexican herpetological miscellany. Proc. US Natl. Mus. 92 (3153): 349-395 - get paper here
  • Smith, Hobart M. 1946. Handbook of Lizards: Lizards of the United States and of Canada. Comstock, Ithaca, NY, xxii + 557 pp.
  • Stejneger, Leonhard 1890. On the North American lizards of the genus Barissa of Gray. Proc. US Natl. Mus. 13 (809): 183-185 - get paper here
  • Tanner, W.W. 1987. Lizards and turtles of Western Chihuahua. Great Basin Naturalist. 47: 383-421 - get paper here
  • Tihen, Joe A. 1949. A review of the lizard genus Barisia. Univ. Kansas Sci. Bull. 33 (3): 217-254 - get paper here
  • Zaldívar-Riverón, A. & Nieto-Montes de Oca, A. 2002. Variation in the rare lizard Barisia rudicollis (Wiegmann) (Anguidae) with description of a new species from Central Mexico. Herpetologica 58 (3): 313-326 - get paper here
  • Zaldivar-Riveron, A.; de Oca, A. Nieto-Montes; Laclette, J.P. 2005. Phylogeny and evolution of dorsal pattern in the Mexican endemic lizard genus Barisia (Anguidae: Gerrhonotinae). Journal of Zoological Systematics and Evolutionary Research 43(3):243-257 - get paper here
 
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