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Leiocephalus pratensis (COCHRAN, 1928)

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Higher TaxaLeiocephalidae, Iguania, Sauria, Squamata (lizards)
SubspeciesLeiocephalus pratensis pratensis (COCHRAN 1928)
Leiocephalus pratensis chimarus SCHWARTZ 1979 
Common NamesE: Haitian Striped Curlytail, Atalaye Curlytail Lizard 
SynonymHispaniolus pratensis COCHRAN 1928: 50
Leiocephalus pratensis ETHERIDGE 1966
Leiocephalus pratensis — SCHWARTZ & HENDERSON 1991: 442
Leiocephalus pratensis— PREGILL 1992: 49

Leiocephalus pratensis chimarus SCHWARTZ 1979
Leiocephalus pratensis chimarus — HEDGES et al. 2019 
DistributionHispaniola (N Haiti), Ile a Cabrit

pratensis: northern Haiti. Type locality: "Atalaye Plantation, near St. Michel, Département du Nord, Haiti"; emended by Schwartz, 1968, to Atalaye Plantation, near St.-Michel de l'Atalaye, Département de l'Artibonite, Haiti.

chimarus: Île à Cabrit.  
Reproductionoviparous 
TypesHolotype: USNM 69189.
Holotype: USNM 197335 [chimarus] 
DiagnosisDESCRIPTION: Size small (SVL in males to 64 mm, in females to 55 mm); no
distinct sexual dichromatism, males with a pair of enlarged postanals; no lateral fold; dorsal scales imbricate, keeled; ventral scales imbricate, smooth, vaguely denticulate midventrally; median dorsal crest absent, middorsal scales irregularly arranged; one-half midbody scales 17-23; supraoculars regularly 5/5; loreals 1-11; temporals 5-9; supraorbital semicircles always grossly incomplete or entirely absent; parietals always in contact; a median azygous scale between posterior pair of 3-7 median head scales; prefrontal row always complete; frontoparietal row almost always complete; preauricular scale not conspicuously enlarged. Dorsum with a gray-brown zone with 4 included, dark stripes (a pair of brown to very dark brown, narrow paramedian stripes and a pair of brown dorsolateral stripes), or with only 2 narrow, black to dark brown paramedian and 2 wider, dark gray dorsolateral stripes on a pale or dusty gray ground; dorsum with distinct, buffy flecks (in 1 subspecies); dorsal zone bounded dorsolaterally by a pair of rather wide, buffy to pale gray stripes which lie immediately adjacent to brown dorsolateral stripes and extend onto supraciliaries as conspicuous buffy to white temporal and supraciliary stripes; an ill-defined lateral area, paler centrally and darker along both edges, resulting in a lateral pattern of 2 dark stripes and 1 included pale stripe; below lateral stripes another pair of stripes, the upper pale, the lower dark; venter yellow, or white tinged with yellow; throat dark yellow with a distinct, bronzy tinge, chin white; head rich brown to brown with or without (by subspecies) a dark brown facial mask enclosed between white supraciliary stripe and white snout-ear stripe; supralabials edged with brown, giving moustache-like effect; lower flank scales edged with buff; tail gray-brown, with buffy-edged, dark brown markings, especially posteriorly; underside of tail yellow to off-white; forelimbs pale gray-brown, hindlimbs brown to gray-brown with dark and buff striping (Schwartz & Henderson 1991: 442). 
CommentFor illustrations see Cochran, 1941; Schwartz, 1979. 
References
  • Cochran, D. M. 1928. A new genus and species of lizard, Hispaniolus pratensis, from the Haitian Republic. Proc. Biol. Soc. Washington 41: 49-51. - get paper here
  • Cochran, D.M. 1941. The herpetology of Hispaniola. Bull. US Natl. Mus. 177: vii + 398 pp. - get paper here
  • Hedges SB, Powell R, Henderson RW, Hanson S, and Murphy JC 2019. Definition of the Caribbean Islands biogeographic region, with checklist and recommendations for standardized common names of amphibians and reptiles. Caribbean Herpetology 67: 1–53
  • Pregill,G.K. 1992. Systematics of the West Indian Lizard Genus Leiocephalus (Squamata: Iguania: Tropiduridae). Misc. Publ. Univ. Kans. Mus. Nat. Hist. 84: 1-69 - get paper here
  • Schwartz, A. 1968. The Leiocephalus (Lacertilia, Iguanidae) of Hispaniola. III. Leiocephalus schreibersi, L. semilineatus, and L. pratensis. Journal of Herpetology 24 (1—4): 39—63 - get paper here
  • Schwartz, A. 1979. The herpetofauna of Île à Cabrit, Haiti, with the description of two new subspecies. Herpetologica 35 (3): 248-255. - get paper here
  • Schwartz, A. & Henderson, R.W. 1991. Amphibians and Reptiles of the West Indies. University of Florida Press, Gainesville, 720 pp.
 
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