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Leiocephalus rhutidira SCHWARTZ, 1979

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Higher TaxaLeiocephalidae, Iguania, Sauria, Squamata (lizards)
Common NamesE: Haitian Black-throated Curlytail, Lapierre Curlytail lizard 
SynonymLeiocephalus rhutidira SCHWARTZ 1979: 273
Leiocephalus rhutidira — SCHWARTZ & HENDERSON 1991: 448
Leiocephalus rhutidira— PREGILL 1992: 51 
DistributionHispaniola (NW Haiti, "Dpt. de l'Artibonite")

Type locality: 10.6 km W Ça Soleil, 122 m, Département de l'Artibonite, Haiti.  
TypesHolotype: CM 60520. 
DiagnosisDESCRIPTION: Size small (SVL in males to 66 mm, in females to 56 mm); distinct
sexual dichromatism, males with a prominent pair of enlarged postanal scales; no lateral fold; dorsals imbricate, not denticulate or tricuspid; ventrals imbricate, smooth, not denticulate; median dorsal crest scales slightly enlarged, lower than median dorsal caudal scales, 51-65 in occiput-vent distance; one-half midbody scales 22-25; supraoculars 5/5 or 6/6; loreals 4-6; temporals 8-10; supraorbital semicircles usually incomplete; parietals always in contact; median head scales 4-5 (mode 4); preauricular scale small. Throat, chest, anterior faces of forelimbs, and sides of neck between prominent neck wrinkles black in males; ventral color orange in males, pale yellow in females; ventral pattern absent in both sexes except for scattered, greenish scales on sides of abdomen in males; facial mask absent in males, poorly shown in females, where it is anteriormost pale portion of a broad, dark gray, lateral band extending from hindlimbs to eyes; dorsum unpatterned tan or grayish tan in males with a conspicuous pair of broad, pale cream to pale grayish tan dorsolateral stripes from supraorbital semicircles extending posteriorly along length of body, paler posteriorly; throat in females and juveniles with gray reticulum and vague indications in this pattern of a pair of
paramedian gray lines (Schwartz & Henderson 1991: 448). 
CommentFor illustrations see Schwartz, 1979.

Abundance: only known from its original description (Meiri et al. 2017). 
  • 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 - get paper here
  • 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. 1979. A new species of Leiocephalus (Reptilia: Iguanidae) from Hispaniola. Proc. Biol. Soc. Washington 92: 272-279. - 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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