Which species is suspected to be the closest relative of the Virgin Islands dwarf gecko?

Answer

Sphaerodactylus nicholsi

Biogeographical analysis suggests that the Sphaerodactylus parthenopion is a close relative of Sphaerodactylus nicholsi, a dwarf gecko species found in Puerto Rico. The geographical separation is notable because another related species, Sphaerodactylus townsendi, occupies the area between the two populations, suggesting an evolutionary history where these species diverged and became isolated on their respective landmasses.

Which species is suspected to be the closest relative of the Virgin Islands dwarf gecko?
islandreptiledwarfgecko