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Sphaerodactylus callocricus SCHWARTZ, 1976

IUCN Red List - Sphaerodactylus callocricus - Vulnerable, VU

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Higher TaxaSphaerodactylidae, Gekkota, Sauria, Squamata (lizards: geckos)
Common NamesE: Rough-banded Geckolet, Callous Least Gecko 
SynonymSphaerodactylus callocricus SCHWARTZ 1976: 66
Sphaerodactylus callocricus — SCHWARTZ & HENDERSON 1991: 475
Sphaerodactylus callocricus — KLUGE 1993
Sphaerodactylus callocricus — RÖSLER 2000: 111 
DistributionHispaniola (Dominican Republic)

Type locality: 2.9 mi. (4.6 km) S Las Galeras, Samana Province, República Dominicana.  
TypesHolotype: USNM 197300. 
DiagnosisDESCRIPTION: Size small (SVL in males to 28 mm, in females to 28 mm); dorsals
small, acute, keeled, swollen, imbricate; axilla to groin 26-34; no area of middorsal granules or granular scales; ventrals smooth, cycloid, axilla to groin 25-32; dorsal caudal scales keeled, erected, acute, imbricate, ventral caudal scales cycloid, imbricate, enlarged midventrally; snout rather acuminate, not depressed or decurved; snout scales small, cycloid, fiat, smooth, imbricate; 1 postnasal; 0-1 internasals; upper labials to mideye 3-4 (mode 3); central gular scales smooth; chest scales smooth; midbody scales 42-48; escutcheon small and compact, not extending onto hindlimbs, 4-5 x 8-11. Dorsal pattern somewhat sexually dichromatic; dorsum gray-brown (as preserved), with a pair of broad black transverse bands, only slightly hollowed centrally; head pattern a prominent, dark occipital band and a median extension that mayor may not join a dark median snout line, with a prominent dark line to eye, this W head pattern similar in both sexes (adult males may lack cephalic pattern completely); head pale gray; region between ear-to-ear band and collar flesh-colored; a broad, black collar with a pair of white, pale yellow, or grayish scapular ocelli; a solid dark sacral band; dark caudal bands, the more proximal forming complete caudal rings; caudal interspaces colored similarly to dorsal ground proximally, white distally, tail tip black; venter immaculate white to grayish; iris gray to gray-brown (from Schwartz & Henderson 1991: 475). 
CommentFor illustrations see Schwartz, 1976. 
  • Rösler, H. 2000. Kommentierte Liste der rezent, subrezent und fossil bekannten Geckotaxa (Reptilia: Gekkonomorpha). Gekkota 2: 28-153
  • Schwartz, A. 1976. A new species of Sphaerodactylus (Sauria, Gekkonidae) from the República Dominicana. Florida Scientist 39: 65-70. - get paper here
  • Schwartz, A. & Henderson, R.W. 1991. Amphibians and Reptiles of the West Indies. University of Florida Press, Gainesville, 720 pp.
  • Thomas, R. and S. B. Hedges. 1993. A new banded Sphaerodactylus from eastern Hispaniola (Squamata: Gekkonidae). Herpetologica 49: 350-354 - get paper here
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