Sphaerodactylus difficilis euopter Schwartz 1983

Schwartz 1983. The difficilis complex of Sphaerodactylus (Sauria, Gekkonidae) of Hispaniola. Part 1. Sphaerodactylus difficilis, S. clenchi and S. lazelli. Bulletin of Carnegie Museum of Natural History, No. 22 1983: 5-30