Galli & Kritsky 2008. Three new species of Protogyrodactylus Johnston & Tiegs, 1922 (Monogenoidea: Dactylogyridae) from the gills of the longtail silverbiddy Gerres longirostris (Teleostei: Gerreidae) in the Red Sea. Systematic Parasitology, 69(3), March 2008: 221-231