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Sceloporus lundelli SMITH, 1939

IUCN Red List - Sceloporus lundelli - Least Concern, LC

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Higher TaxaPhrynosomatidae, Sceloporinae, Iguania, Sauria, Squamata (lizards)
SubspeciesSceloporus lundelli gaigeae SMITH 1939
Sceloporus lundelli lundelli SMITH 1939 
Common NamesE: Lundell's Spiny Lizard
S: Espinosa de Lundell 
SynonymSceloporus lundelli SMITH 1939
Sceloporus lundelli lundelli — SMITH & TAYLOR 1950: 112
Sceloporus lundelli gaigeae — SMITH & TAYLOR 1950: 112
Sceloporus lundelli — LINER 1994
Sceloporus lundelli — KÖHLER 2000: 85
Sceloporus lundelli — WIENS et a. 2010

Sceloporus lundelli gaigeae SMITH 1939
Sceloporus lundelli gaigeae — BELL et al. 2003 
DistributionMexico (Yucatan, Campeche, Quintana Roo, Tabasco [HR 35: 188]), Guatemala (El Peten),
N Belize

lundelli: Yucatan peninsula
gaigeae: N Yucatan

Type locality: Cohune Ridge (20 miles southeast of Benque Viejo), [Belize].  
TypesHolotype: UMMZ 80674 (collected by C. L. Lundell).
Holotype: FMNH 31524; H. M. Smith collector. [gaigeae] 
DiagnosisDiagnosis (lundelli). A Sceloporus of moderately large size, maximum snout-vent measurement 86 mm.; dorsal scales 28 to 34; supraoculars
large, usually four or five, rarely six, the posterior one or two usually at least partially in contact with median head scales; frontal usually in contact with median frontonasal; two canthals, normal in position; oneloreal;femoralporesninetotwelve. Ablackshoulderspotin males, sometimes connecting narrowly across dorsal surface of neck; females with narrow, undulate, dark gray bands across back; lateral blue patches on belly in males continuous across chest; middle of belly and chest dark blue; posterior surface of thigh mottled (Smith 1939: 66).

Comparisons (lundelli). S.lundelli lundelli is a form quite distinct, whose only close relative is I. gaigeae. It has a peculiar dorsal color pattern; the only species of the spinosus group with a similar pattern are clarkii clarkii and females of stejnegeri. From lunaei, lundelli lundelli differs by having two canthals (one in lunaei}; femoral pores usually fewer (12 to 17 in lunaei); dorsal scales average fewer (31 to 38, average 34.7, in lunaei); supraoculars larger, more regular; and color pattern different (two rows of spots down back in females of lunaei) (Smith 1939: 70).

Description (lundelli): Smith 1939: 63

Color (lundelli): Smith 1939: 65

Diagnosis (gaigeae). A Sceloporus of moderately large size, maximum snout-vent measurement 100 mm.; similar to S. lundelli lundelli in scutellation; no dorsal marks, or markings barely visible; shoulder spot not distinct; an indistinct narrow dorsal nuchal collar; a broad, light line on posterior surface of thighs (Smith 1939: 71).

Comparisons. The present subspecies differs from I. lundetti only in coloration (see diagnosis). The subspecies has long been confused with s. serrifer, from which it is quite different. There is no broad, light-bordered nuchal collar in 1. gaigeae (always present in serrifer); some of the supraoculars are always in contact with the median head scales in I. gaigeae, usually not in serrifer; the frontal is in contact with the median frontonasal in l. gaigeae (rarely in serrifer). The two species occur together at Mérida, although inhabiting different ecological niches. Only I. gaigeae, so far as I am aware, has been taken at Chichen Itzá (Smith 1939: 74). 
CommentDistribution: The type locality was given as being in British Honduras (= Belize). Not listed for Guatemala and Belize by KÖHLER (2000). Henderson and Hoevers (1975) reported S. lundelli from Belize but they may have incorrectly identified some specimens of S. serrifer as S. lundelli. In areas where the species are sympatric, such as the northern Yucatan Peninsula, S. serrifer is terrestrial and S. lundelli strictly arboreal. 
EtymologyThe Latin genitive singular noun honors the collector, C. L. Lundell, famed in the study of Central American botany.

S. l. gaigeae honors Helen Thompson Gaige (1890-1976), Curator of the Reptile and Amphibian Section of the University of Michigan Museum of Zoology (1923-1945). She was employed by the Museum from 1910-1945. She was herpetological editor of Copeia in 1930, then Managing Editor in 1937, then Editor-In-Chief from 1946-1949. She had a major role in transforming the journal into a modern quarterly publication, and in guiding the early careers of many herpetologists (Adler, 1989). 
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  • 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
  • Beolens, Bo; Michael Watkins, and Michael Grayson 2011. The Eponym Dictionary of Reptiles. Johns Hopkins University Press, Baltimore, USA - get paper here
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  • Charruau, Pierre and Roberto F. Rojo García. 2013. Geographic Distribution: Sceloporus lundelli (Lundell's spiny lizard). Herpetological Review 44 (4): 626-627 - get paper here
  • Colston, Timothy J.; José António L. Barão-Nóbrega, Ryan Manders, Alice Lett, Jamie Wilmott, Gavin Cameron, Sidony Hunter, Adam Radage, Etienne Littlefair, Robert J. Williams, Antonio Lopez Cen, Kathy Slater 2015. Amphibians and reptiles of the Calakmul Biosphere Reserve, México, with new records. Check List 11 (5): 1759 - get paper here
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  • Wiens, John J.; Caitlin A. Kuczynski, Saad Arif & Tod W. Reeder 2010. PHYLOGENETIC RELATIONSHIPS OF PHRYNOSOMATID LIZARDS BASED ON NUCLEAR AND MITOCHONDRIAL DATA, AND A REVISED PHYLOGENY FOR SCELOPORUS. Molecular Phylogenetics and Evolution 54: 150-161 - get paper here
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