Specie:
- Sphaerodactylus williamsi - Thomas & Schwartz 1983
Sinonimi:
- Sphaerodactylus williamsi - THOMAS & SCHWARTZ 1983
- Sphaerodactylus williamsi - SCHWARTZ & HENDERSON 1991
- Sphaerodactylus williamsi - KLUGE 1993
- Sphaerodactylus williamsi - RÖSLER 2000