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Sauromalus slevini VAN DENBURGH, 1922

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Higher TaxaIguanidae, Iguania, Sauria, Squamata (lizards)
Subspecies 
Common NamesE: Slevin's Chuckwalla, Monserrat Chuckwalla
S: Iguana de Pared Monserrat 
SynonymSauromalus slevini VAN DENBURGH 1922
Sauromalus slevini — LINER 1994
Sauromalus slevini — HOLLINGSWORTH 1998: 154
Sauromalus slevini — KÖHLER & ZORN 2014
Sauromalus slevini — HEIMES 2022 
DistributionMexico (Gulf of California: Monserrate, Carmen, Soronados islands)

Type locality: South end of Monserrate Island, Gulf of California  
Reproductionoviparous 
TypesHolotype: CAS 50503 
DiagnosisAdditional details, e.g. a detailed description or comparisons (2034 characters), are available for collaborators and contributors. Please contact us for details. 
CommentRemarks. This species is intermediate in size, color, and scale characters between S. hispidus and S. ater. Specimens from the three islands where it occurs seem to be indistinguishable.

The validity of S. slevini and S. klauberi as distinct lineages is questionable because they do not form distinct groups in any genomic clustering analyses. Sumarli et al. 2023 hypothesize that the insular morphology of S. slevini and S. klauberi might be caused by recent isolation from the peninsula and rapid phenotypic diversification associated with drift and/or local adaptation to island environments. However, because both S. slevini and S. klauberi have consistently represented a distinct morphological cluster in several studies (i.e. Hollingsworth, 1998; Montanucci, 2004), they advocate for further studies with improved sampling of individuals from S. slevini, S. klauberi and other southern Baja California islands. 
EtymologyNamed after Joseph Richard Slevin (1881-1957), curator of Herpetology at the California Academy of Sciences 1928-1957. 
References
  • Alberts, A.C.; Carter, R.L.; Hayes, W.K. & Martins, E.P. (eds.) 2004. Iguanas - Biology and Conservation. University of California Press, 356 pp. - get paper here
  • Beaman,K.R.; Hollingsworth,B.D.; Lawler, H.E. & Lowe,C.H. 1997. Bibliography of Sauromalus (Duméril 1856), the Chuckwallas. Smithsonian Herp. Inf. Serv. (116): 1-44 - 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
  • Blair, David W. 1994. Chuckwallas. Reptiles 1 (3): 16-22
  • Buckley, Larry J.; Kevin de Queiroz, Tandora D. Grant, Bradford D. Hollingsworth, John B. Iverson (Chair, <br>Stesha A. Pasachnik, and Catherine L. Stephen (Iguana Taxonomy Working Group, ITWG 2016. A Checklist of the Iguanas of the World (Iguanidae; Iguaninae). Herp. Cons. Biol. 11 (Monograph 6) - get paper here
  • de Queiroz K 1995. Checklist and key to the extant species of Mexican iguanas (Reptilia: Iguaninae). Publ. Esp. Mus. Zool. Univ. Nac. Autón. México 9: 1-48
  • Heimes, P. 2022. LIZARDS OF MEXICO - Part 1 Iguanian lizards. Edition Chimaira, Frankfurt Am Main, 448 pp. - get paper here
  • Hollingsworth, B. D. 1998. The systematics of Chuckwallas (Sauromalus) with a phylogenetic analysis of other iguanid lizards. Herpetological Monographs 12: 38-191. - 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
  • Köhler, G. & Zorn, H. 2014. Chuckwallas. Herpeton-Verlag, 120 pp. [review in Reptilia 23 (132): 62] - get paper here
  • Lovich, R.E.; Grismer, L.L. & Danemann, G. 2009. CONSERVATION STATUS OF THE HERPETOFAUNA OF BAJA CALIFORNIA, MÉXICO AND ASSOCIATED ISLANDS IN THE SEA OF CORTEZ AND PACIFIC OCEAN. Herp. Cons. Biol. 4 (3):358-378 - 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
  • Sumarli, A., Hollingsworth, B. D., Valdez–Villavicencio, J. H., & Reeder, T. W. 2023. Phylogenomic data reveal cryptic diversity and deep phylogeographical structure within the common chuckwalla, Sauromalus ater (Squamata: Iguanidae). Biological Journal of the Linnean Society, blad104 - 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
 
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