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Sphaerodactylus macrolepis (cropped).jpg
Sphaerodactylus macrolepis
Scientific classification edit
Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Order: Squamata
Family: Sphaerodactylidae
Genus: Sphaerodactylus
Wagler, 1830[1]

Sphaerodactylus is a genus of geckos from the Americas [2] that are distinguished from other Gekkota by their small size, by their round, rather than vertical, eye pupils, and by each digit terminating in a single, round adhesive pad or scale, from which their name (Sphaero = round, dactylus = finger) is derived. All species in this genus are rather small, but two species, S. ariasae and S. parthenopion, are tiny, and – with a snout-vent length of about 1.6 cm (0.63 in)—the smallest reptiles in the world.[3]


The following 105 species are recognized as being valid.[4]

Nota bene: A binomial authority in parentheses indicates that the species was originally described in a genus other than Sphaerodactylus.


  1. ^ "Sphaerodactylus ". ITIS (Integrated Taxonomic Information System). www.itis.gov.
  2. ^ Gamble T, Bauer AM, Colli GR, Greenbaum E, Jackman TR, Vitt LJ, Simons AM (2011). "Coming to America: Multiple Origins of New World Geckos". Journal of Evolutionary Biology 24: 231–244.
  3. ^ Pennsylvania State University (2001). World's Smallest Lizard Discovered in the Caribbean Archived 2009-02-02 at the Wayback Machine.. Accessed 26 January 2009.
  4. ^ "Sphaerodactylus ". The Reptile Database. www.reptile-database.org.
  5. ^ Noble, G.K. and Klingel, G.C. August 11, 1932. American Museum Novitates number 549: "The Reptiles of Great Inagua Island, British West Indies." [1] [2]

External links[edit]

Further reading[edit]

  • Schwartz A, Thomas R (1975). A Check-list of West Indian Amphibians and Reptiles. Carnegie Museum of Natural History Special Publication No. 1. Pittsburgh, Pennsylvania: Carnegie Museum of Natural History. 216 pp. (Sphaerodactylus, pp. 142–164).
  • Wagler J (1830). Natürliches System der AMPHIBIEN, mit vorangehender Classification der SÄUGTHIERE und VÖGEL. Ein Beitrag zur vergleichenden Zoologie. Munich, Stuttgart and Tübingen: J.G. Cotta. vi + 354 pp. + one plate. (Sphaerodactylus, new genus, p. 143). (in German and Latin).

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