Sceloporus lineatulus DICKERSON, 1919

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Higher Taxa	Phrynosomatidae, Sceloporinae, Iguania, Sauria, Squamata (lizards)
Subspecies
Common Names	E: Santa Catalina Spiny Lizard S: Bejori de Isla Santa Catalina
Synonym	Sceloporus lineatulus DICKERSON 1919: 467 Sceloporus magister lineatulus — SMITH 1939: 168 Sceloporus magister lineatulus — SMITH & TAYLOR 1950: 115 Sceloporus lineatulus — MURPHY 1983 Sceloporus lineatulus — LINER 1994 Sceloporus lineatulus — BELL et al. 2003 Sceloporus lineatulus — LINER & CASAS-ANDREU 2008 Sceloporus lineatulus — HEIMES 2022 Sceloporus lineatulus — PAVÓN-VÁZQUEZ et al. 2024
Distribution	Mexico (Isla Santa Catalina) Type locality: Isla Santa Catalina, Gulf of California.
Reproduction	oviparous (not imputed, fide Zimin et al. 2022)
Types	Holotype: USNM 64263 (Formerly AMNH 5478)
Diagnosis	Diagnosis: A robust species of medium size (length of head and body of adult male, 85 mm.), especially bristling with large, long-pointed but not spinous scales; 4-6 preauriculars in oblique row, relatively long and pointed, overlapping at bases; dorsal scales (7 straight longitudinal rows) much larger than ventrals; laterals crowded in oblique rows, graduated in size to meet ventrals, the shape changing through in.tennediate stages from angular, long-pointed, weakly denticulate scales to the rounded ventrals with their 2-4 equal points or scallops; rump and proximal caudals equal to dorsals; dorsals about 28 from interparietal to base of tail, 5 in head length (muzzle to interparietal); distance from base of 5th toe to end of 4th equal to length from tip of muzzle to anterior border of ear; femoral pores, 20. Coloration of adult male rufous dorsally, blue lateroventrally verging into green above, blue on chest between arms, and on chin; sides prominently marked from above arm to groin with about 11 longitudinal parallel brown lines following the direction of the scales; posterior gular region black, also black more or less as follows: on ventral arm, breast, median abdominal area, groin, ventral femur (Dickerson 1919: 467). Unfortunately 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 27 characters) are available for collaborators and contributors. Please contact us for details.
Comment	Abundance: only known from the type locality (Meiri et al. 2017).
Etymology	The Latin lineatus, "linear," and the diminutive -ulus refer to the finely striped dorsal pattern.
References	Bell, E.L.; Smith, H.M. & Chiszar, D. 2003. AN ANNOTATED LIST OF THE SPECIES-GROUP NAMES APPLIED TO THE LIZARD GENUS SCELOPORUS. Acta Zoologica Mexicana (n.s.) 90: 103-174 - get paper here Dickerson, M. C. 1919. Diagnoses of twenty-three new species and a new genus of lizards from Lower California. Bull. Amer. Mus. Nat. Hist. 41 (10): 461-477 - get paper here Grismer, L. L. & J. A. MCGUIRE 1996. Taxonomy and biogeography of the Sceloporus magister complex (Squamata: Phrynosomatidae) in Baja California, México. Herpetologica 52 (3): 416-427. - 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 Köhler, G. & Heimes, P. 2002. Stachelleguane. Herpeton-Verlag (Offenbach), 174 pp. Leaché, A.D. & Mulcahy, D.G. 2007. Phylogeny, divergence times and species limits of spiny lizards (Sceloporus magister species group) in western North American deserts and Baja California. Molecular Ecology 16: 5216–5233 - get paper here 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 Murphy, R. W. 1983. Paleobiogeography and genetic differentiation of the Baja California herpetofauna. Occ. Pap. Cal. Acad. Sci. (137): 1-48 - get paper here Pavón-Vázquez, C. J., Rana, Q., Farleigh, K., Crispo, E., Zeng, M., Liliah, J., ... & Blair, C. 2024. Gene Flow and Isolation in the Arid Nearctic Revealed by Genomic Analyses of Desert Spiny Lizards. Systematic Biology, syae001 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 Recchio, Ian and David Lazcano. 2013. Sceloporus lineatulus (Isla Santa Catalina spiny lizard) diet and accidental mortality. Herpetological Review 44 (3): 513 - get paper here Smith, H. M. 1939. The Mexican and Central American lizards of the genus Sceloporus. Field Mus. Nat. Hist., Zool. Ser. 26: 1-397. - get paper here Zimin, A., Zimin, S. V., Shine, R., Avila, L., Bauer, A., Böhm, M., Brown, R., Barki, G., de Oliveira Caetano, G. H., Castro Herrera, F., Chapple, D. G., Chirio, L., Colli, G. R., Doan, T. M., Glaw, F., Grismer, L. L., Itescu, Y., Kraus, F., LeBreton 2022. A global analysis of viviparity in squamates highlights its prevalence in cold climates. Global Ecology and Biogeography, 00, 1–16 - get paper here
External links	IUCN Red List National Center for Biotechnology Information Google images

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