Petrosaurus slevini (VAN DENBURGH, 1922)

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Higher Taxa	Phrynosomatidae, Sceloporinae, Iguania, Sauria, Squamata (lizards)
Subspecies
Common Names	E: Banded Rock Lizard S: Lagarto de Roca Bandeado
Synonym	Uta slevini VAN DENBURGH 1922 Streptosaurus slevini — MITTLEMAN 1942: 112 Streptosaurus slevini — SMITH & TAYLOR 1950: 91 Petrosaurus slevini — ETHERIDGE 1964 Petrosaurus slevini — GRISMER 1999 Petrosaurus slevini — JONES & LOVICH 2009 Petrosaurus slevini — WERNING 2014 Petrosaurus slevini — HEIMES 2022 Petrosaurus “slevini” — GOTTSCHO et al. 2025
Distribution	Mexico (Baja California: Islas Ángel de La Guarda and Mejía); Type locality: Mejia Island, Gulf of California, Mexico.
Reproduction
Types	Holotype: CAS 50506
Diagnosis	Unfortunately we had to temporarily remove additional information as this was scraped by multiple AI companies who sell that data. These details, e.g. detailed descriptions are available for collaborators and contributors. We will relaease that material sometime next year. Please contact us if you need any of this data earlier than that.
Comment	Subspecies: GRISMER (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”. Gottscho et al. 2025 showed that slevini is closely related to mearnsi. Distribution: see map in Gottscho et al. 2025.
Etymology	Named after Joseph Richard Slevin, of the California Academy of Sciences, collector of the holotype.
References	Etheridge, Richard 1964. The skeletal morphology and systematic relationships of sceloporine lizards. Copeia 1964 (4): 610-631 - get paper here Gottscho, Andrew D.; Bradford D. Hollingsworth, Julio Lemos Espinal, Adam D. Leaché, Tod W. Reeder, Kevin de Queiroz 2025. Comparative Phylogeography of Phrynosomatid Lizards in Baja California: Asynchronous Divergences and Expansion of Callisaurus draconoides Across the North American Deserts, J. Biogeogr. e70075 - get paper here 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 Heimes, P. 2022. LIZARDS OF MEXICO - Part 1 Iguanian lizards. Edition Chimaira, Frankfurt Am Main, 448 pp. - 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 Mittleman,M.B. 1942. A summary of the iguanid genus Urosaurus. Bull. Mus. Comp. Zool. Harvard 91: 105-181 - get paper here Peralta-García A, Valdez-Villavicencio JH, Fucsko LA, Hollingsworth BD, Johnson JD, Mata-Silva V, Rocha A, DeSantis DL, Porras LW, and Wilson LD. 2023. The herpetofauna of the Baja California Peninsula and its adjacent islands, Mexico: composition, distribution, and conservation status. Amphibian & Reptile Conservation 17(1&2): 57–142 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 Van Denburgh, John 1922. The Reptiles of Western North America. Volume I. Lizards. Occ. Pap. Cal. Acad. Sci. (10): 1–612 - get paper here Werning, Heiko 2014. Leguane im „Wilden Westen“. Terraria-Elaphe 2014 (2): 16-25 - get paper here
External links	IUCN Red List https://en.wikipedia.org/wiki/Joseph_Richard_Slevin http://gto.ncsa.uiuc.edu/pingleto/herps/lizards.html http://blackbook.org/~sullivan/indexes/sciIndexL-R.html Google images

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