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Sphaerodactylus thompsoni SCHWARTZ & FRANZ, 1976

IUCN Red List - Sphaerodactylus thompsoni - Near Threatened, NT

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Higher TaxaSphaerodactylidae, Gekkota, Sauria, Squamata (lizards: geckos)
Common NamesE: Barahona Limestone Geckolet, Thompson's Least Gecko 
SynonymSphaerodactylus thompsoni SCHWARTZ & FRANZ 1976: 369
Sphaerodactylus thompsoni — SCHWARTZ & HENDERSON 1991: 539
Sphaerodactylus thompsoni — KLUGE 1993
Sphaerodactylus thompsoni — RÖSLER 2000: 114 
DistributionHispaniola, Dominican Republic (Pedernales), SE Haiti, Beata

Type locality: 6 km SW Las Mercedes, 60 m, Pedernaies Province, República Dominicana.  
TypesHolotype: UF/FSM 21555. 
DiagnosisDESCRIPTION: Size moderate (SVL in males to 30 mm, in females to 33 mm); dorsals large, keeled, boss-like, axilla to groin 17-19; no middorsal area of granules or granular scales; ventrals smooth, small, cycloid, axilla to groin 32-33; dorsal caudal scales smooth, flat, cycloid, imbricate, ventral caudal scales cycloid, slightly imbricate, not enlarged midventrally; snout blunt, not depressed or decurved; snout scales large, granular, swollen, juxtaposed, cobble-like; 1-2 (mode 2) postnasals; 1-2 (mode 1) internasals; upper labials to mideye 4; gular scales smooth; chest scales smooth; midbody scales 38; escutcheon unknown. Sexually dichromatic; male dorsum (as preserved) gray with about 4 dark irregularly edged body bands, interspaces either stippled or clear; a dark nuchal crossband; snout, head, and neck with about 7 narrow, dark crossbands; venter immaculate but sides of throat with some dark line fragments; female dorsum (as preserved) very pale grayish or tan with scattered dark brown scales not forming recognizable crossbanded pattern; head with dark brown (all head pattern elements dark brown) median attenuate triangle on snout, its base anterior to eyes; dark canthal line through eye and auricular opening, with dark spot following; dark upper lip marbling, including dark spot below auricular opening; transversely elongate hollow rectangle, its anterior margin between posterior portions of eyes, its posterior margin at about level of midtemple; a vague, dark line connecting anterior comers of eyes; upper surface of neck with 5 brown spots (2 lateral pairs and median elongate blotch) followed by 2 transversely elongate markings, these in tum by an incomplete line across neck (the last 3 features more or less united to and by dark dorsolateral line, an extension of canthal-postocular line and blotch); very broken and irregular transverse line above forelimb insertions; upper surfaces of all limbs and tail dotted with darker brown, those of tail forming a series of vaguely delimited rings, more complete distally; throat vaguely stippled with dark gray; juvenile more or less like adult but with distinct, dark crossband above hindlimb insertion, tail with 6 pale grayish rings becoming white distally, tail tip black, fine, dark stippling on throat (Schwartz & Henderson 1991: 539). 
CommentFor illustrations see Schwartz and Franz, 1976. 
  • 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. Franz. 1976. A new species of Sphaerodactylus (Sauria: Gekkonidae) from Hispaniola. Proc. Biol. Soc. Washington 88: 367-372. - get paper here
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