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Sphaerodactylus gaigeae GRANT, 1932

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Higher TaxaSphaerodactylidae, Gekkota, Sauria, Squamata (lizards: geckos)
Common NamesE: Chevronate Geckolet, Chevronated sphaero, Gaige's Least Gecko 
SynonymSphaerodactylus gaigeae GRANT 1932: 31
Sphaerodactylus gaigeae — THOMAS & SCHWARTZ 1966: 240
Sphaerodactylus gaigeae — SCHWARTZ & HENDERSON 1991: 496
Sphaerodactylus gaigeae — KLUGE 1993
Sphaerodactylus gaigeae — RÖSLER 2000: 112 
DistributionPuerto Rico (Port d'Enfer, 5,5 km N Campeche), Vieques, Isla Pineros

Type locality: Mountains near Yabucoa, Puerto Rico.  
TypesSyntypes: UMMZ 73605 (6) 
DiagnosisDESCRIPTION: Size small (SVL in males to 25 mm, in females to 25 mm); dorsals large, acute, strongly keeled, flattened, imbricate, axilla to groin 20-30; no area of middorsal granules or granular scales; ventrals cycloid, imbricate, very rarely incompletely keeled, axilla to groin 23-28; dorsal caudal scales keeled, acute, imbricate, flat-lying, ventral caudal scales smooth, cycloid, enlarged midventrally; snout short, blunt; snout scales large, narrow, swollen, slightly imbricate; 1 post- nasal; 1-4 (mode 3) internasals; upper labials to mideye 3; gular scales keeled; chest scales variably keeled; midbody scales 48-52; escutcheon moderate, with extensions onto thighs to behind knees, 3-5 x 16-21 (from Schwartz & Henderson 1991: 496).

Coloration: No sexual dichromatism; dorsum dark brown with pattern of darker scales or scale-groups and 2 rows of dark-edged buffy ocelli continuing onto tail as dark stripe scalloped by light areas; scapular pattern faint to absent, consisting of slightly darker brown patch with 2 small ocelli; head and neck pattern with 2 anteriorly pointing pale chevrons, the anterior derived from light area between dark supraciliary stripes and nuchal dark spot, the posterior from light anterior margin of scapular patch; venter pale but often invaded by dark pigment; throat nearly uniform pale yellow or with dark brown streaking; underside of tail dull orange; iris golden (from Schwartz & Henderson 1991: 496). 
CommentFor illustrations see Thomas and Schwartz, 1966; Rivero, 1978. 
EtymologyNamed after Helen Beulah Thompson Gaige (1890-1976), American herpetologist at the University of Michigan. See Bell et al. 2021 for biographical data. 
  • Bell, R., Arce H, M., Franklin, M., Roa-Varon, A., & Wehrle, B. A. 2021. Helen Thompson Gaige. Ichthyology & Herpetology, 109(1): 322
  • Beolens, Bo; Michael Watkins, and Michael Grayson 2011. The Eponym Dictionary of Reptiles. Johns Hopkins University Press, Baltimore, USA - get paper here
  • Grant, C. 1932. A new sphaerodactyl from Porto Rico. J. Dept. Agric. Puerto Rico 16: 31 - get paper here
  • Heatwole, H., D.S. Sade & R. Hildreth 1963. Herpetogeography of Puerto Rico. I. Herpetofauna of Cayo Santiago and Cayo Batata. Carib. J. Sci. 3 (1): 1-5.
  • Rivero, J.A. 1978. Los anfibios y reptiles de Puerto Rico. M. Pareja Montana, 16, Barcelona, Espafia: x + 152 + 148pp.
  • 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.
  • Thomas, R., and A. Schwartz. 1966. Sphaerodactylus (Gekkonidae) in the greater Puerto Rico region. Bulletin of the Florida State Museum, Biological Sciences, 10:193—260 - get paper here
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