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Petrosaurus mearnsi (STEJNEGER, 1894)

IUCN Red List - Petrosaurus mearnsi - Least Concern, LC

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Higher TaxaPhrynosomatidae, Sceloporinae; Iguania, Sauria, Squamata (lizards)
Common NamesE: Banded Rock Lizard
G: Mearns‘ Felsenleguan
S: Lagarto de Roca Rayada 
SynonymUta mearnsi STEJNEGER 1894
Uta mearnsi — MOCQUARD 1899: 308
Uta mearnsi — KLAUBER 1939
Streptosaurus mearnsi — MITTLEMAN 1942: 111
Streptosaurus mearnsi — SMITH & TAYLOR 1950: 91
Petrosaurus mearnsi — STEBBINS 1985: 137
Petrosaurus mearnsi — LINER 1994
Petrosaurus mearnsi — LINER 2007
Petrosaurus mearnsi — SCHULZE-NIEHOFF 2018 
DistributionUSA (S California), Mexico (Baja California Norte)

Type locality: Summit of the Coast Range, United States and Mexico boundary line, California.  
TypesHolotype: USNM 21882 
CommentGRISMER (1999) elevated Petrosaurus mearnsi slevini to full (evolutionary) species status based on its “darker dorsal color pattern, a nonreticulate opposed to reticulate gular pattern, and larger body size [max. SVL = 101 mm vs. 86 mm] relative to P. m. mearnsi”.

Illustration in Reptilia 9 (3): 19.

Type species: Uta mearnsi STEJNEGER 1894 is the type species of the genus Streptosaurus MITTLEMAN 1942. 
EtymologyNamed after Lt. Col. Edgar Alexander Mearns, Physician and Naturalist of the International Boundary Commission, who collected the holotype. 
  • Aguilars S., M. A.; Sites, J. W., Jr.;Murphy, R. W. 1988. Genetic variability and population structure in the lizard genus Petrosaurus (Iguanidae). Journal of Herpetology 22 (2): 135-145 - get paper here
  • Beolens, Bo; Michael Watkins, and Michael Grayson 2011. The Eponym Dictionary of Reptiles. Johns Hopkins University Press, Baltimore, USA - get paper here
  • Burré, G. 2002. Begegnungen mit Iguaniden im Südwesten der USA. Iguana Rundschreiben 15 (2): 13-21
  • Crother, B. I. (ed.) 2012. Standard Common and Current Scientific Names for North American Amphibians, Turtles, Reptiles, and Crocodilians, Seventh Edition. Herpetological Circular 39: 1-92
  • Grismer, L. Lee. 1999. An evolutionary classification of reptiles on islands in the Gulf of California, México. Herpetologica 55 (4): 446-469 - get paper here
  • Jennings M R 1990. Petrosaurus Boulenger. Rock lizards. Catalogue of American Amphibians and Reptiles 494: 1-2 - get paper here
  • Jennings M R 1990. Petrosaurus mearnsi (Stejneger). Banded rock lizard. Catalogue of American Amphibians and Reptiles 495: 1-3 - 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
  • Klauber, L. M. 1939. Index to the scientific names in studies of reptile life in the arid southwest. Bulletins of the Zoological Society of San Diego 14: 1-2 - 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
  • Mittleman,M.B. 1942. A summary of the iguanid genus Urosaurus. Bull. Mus. Comp. Zool. Harvard 91: 105-181 - get paper here
  • Mocquard, M.F. 1899. Contribution a la faune herpétologique de la Basse-Californie. Nouv. Arch. Mus. Hist. Natur.Paris, 4th Series, Vol. 1: 297-343 + plates XI-XIII - get paper here
  • SCHULZE NIEHOFF, P. 2018. Mearns‘ Felsenleguan Petrosaurus mearnsi (Stejneger, 1894) – Lebensweise, Haltung und Erstnachzucht im Terrarium. Sauria 40 (1): 58-74 - get paper here
  • Schulze Niehoff, Peter 2014. Immer an der Wand lang: Der Baja-California-Felsenleguan, Petrosaurus repens, im Terrarium. Terraria-Elaphe 2014 (2): 38-45 - get paper here
  • Stebbins,R.C. 1985. A Field Guide to Western Reptiles and Amphibians, 2nd ed. Houghton Mifflin, Boston
  • Stejneger, L. 1894. Description of Uta mearnsi. A new lizard from California. Proc. US Natl. Mus. 17: 589-591 - get paper here
  • Tevis, lloyd, Jr. 1944. Herpetological notes from lower California. Copeia 1944 (1): 6-18 - get paper here
  • Van Denburgh, John 1922. The Reptiles of Western North America. Volume I. Lizards and Volume II. Snakes and Turtles. Occ. Pap. Cal. Acad. Sci. (10): 1–612; 613-1028 - get paper here
  • Werning, H. 2018. Nordamerikanische Kleinleguane – Die Familie Phrynosomatidae. Reptilia 23 (131): 14-19
  • Werning, Heiko 2012. Die Reptilien und Amphibien des Südwestens. Draco 13 (50): 18-60 - get paper here
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