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Sphaerodactylus zygaena SCHWARTZ, 1977

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Higher TaxaSphaerodactylidae, Gekkota, Sauria, Squamata (lizards: geckos)
Common NamesE: Tiburon Coastal Geckolet, Dame-Marie Least Gecko 
SynonymSphaerodactylus zygaena SCHWARTZ & THOMAS 1977: 63
Sphaerodactylus zygaena — SCHWARTZ & HENDERSON 1991: 548
Sphaerodactylus zygaena — KLUGE 1993
Sphaerodactylus zygaena — RÖSLER 2000: 114 
DistributionHaiti, Hispaniola

Type locality: Dame-Marie, south side of town along coast, Département de la Grand'Anse, Haiti.  
TypesHolotype: CM 52282. 
DiagnosisDESCRIPTION: Size moderate (SVL in males to 28 mm, in females to 32 mm); dorsals large, acute, strongly keeled, flattened, imbricate, axilla to groin 21-28; no area of middorsal granules or granular scales; ventrals cycloid, imbricate, axilla to groin 21-31; dorsal caudal scales keeled, acute, imbricate, flat-lying, ventral caudal scales smooth, cycloid, hardly enlarged midventrally; snout rather acuminate, not depressed or decurved; snout scales small, narrow, swollen, smooth, juxtaposed; 1 postnasal; 1-2 (strongly modally 1) internasals; upper labials to mideye 3; gular scales strongly keeled in all adults and most juveniles; chest scales usually smooth (sometimes as well-keeled as gulars, sometimes with keeling present on only some chest scales); midbody scales 38-52; escutcheon with broad, compact central area and extensions onto thighs to near underside of knee, 4-7 x 16-21. Dorsum strongly sexually dichromatic; dorsum (males) yellowish brown, virtually patternless, rarely with dorsal flecking; scapular patch and ocelli absent; chin pink; dorsum (females) yellowish brown to brown, with pale, yellowish brown to buffy longitudinal stripes, outlined with darker brown, extending from pale cephalic area along entire dorsolateral length of body and meeting at base of tail in a V or U; scapular patch and ocelli absent; head with yellow-brown area, bordered laterally by narrow, dark postocular line, deeply indented posteriorly by a reversed V of dorsal ground color, connected to narrow, dark, median postocular line; behind each eye, short, dark line into yellow-brown cephalic area; chin pink; general aspect o f females dorsally bilineate, patternless; venter gray flecked with black (Schwartz & Henderson 1991: 548). 
CommentFor illustrations see Thomas and Schwartz, 1983. 
  • Rösler, H. 2000. Kommentierte Liste der rezent, subrezent und fossil bekannten Geckotaxa (Reptilia: Gekkonomorpha). Gekkota 2: 28-153
  • Schwartz, A. & Henderson, R.W. 1991. Amphibians and Reptiles of the West Indies. University of Florida Press, Gainesville, 720 pp.
  • Schwartz, A. and R. Thomas 1977. Two new species of Sphaerodactylus (Reptilia: Lacertilia, Gekkonidae) from Hispaniola. Journal of Herpetology 11 (1): 61-66 - get paper here
  • Thomas R. and S. B. Hedges 1988. Two new geckos (Sphaerodactylus) from the Sierra Martin Garcia of Hispaniola. Herpetologica 44: 96-104. - get paper here
  • Thomas, R., and A. Schwartz. 1983. Part 2. Sphaerodactylus savagei, S. cochranae, S. darlingtoni, S. armstrongi, S. streptophorus, and conclusions. Pp. 31-60. In: Schwartz, A., and R. Thomas. The difficilis complex of Sphaerodactylus (Sauria, Gekkonidae) of Hispaniola. Bulletin of Carnegie Museum of Natural History, (22) :1—60
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