The Porcellanidae (Crustacea: Decapoda: Anomura) of the Red Sea with description of a new species of Petrolisthes Author Werding, Bernd Author Hiller, Alexandra text Zootaxa 2007 1460 1 24 journal article 10.5281/zenodo.176386 7f7a58d7-eba9-4a92-979d-33a18b8c8f2b 1175-5326 176386 17. Polyonyx triunguiculatus Zehntner, 1894 ( Fig. 17 ) Polyonyx triunguiculatus Zehntner, 1894 : 185 .— Lewinsohn 1969 : 158 , figs. 35a–h.— Haig 1979 : 133 , figs. 23–25.— Johnson 1970 : 36 .— Haig 1983 : 286 ; 1989: 99.— Yang 1996 : 262 , fig. 4.— Yang & Naiyanetr 1997 : 6 , figs. 3A–E.— Komai 2000 : 367 . Material examined. 1 ɗ ( SMF 25676), Red Sea, Sudan , Sanganeb Atoll, 2 Oct. 1992 , S-Jetty, 30 m , dead corals, SAN 110; 1ɗ ( ZMB ), Red Sea; 1 ɗ, 1 Ψ ( SMF 25677) Sudan , Red Sea Province, Sanganeb-Atoll 28 km NE Port Sudan , S-Mole, SAN-114, 50 m, from dead Stylophora , 25 Sep. 1992 , leg V. Neumann. Measurements . Largest ɗ 2.4 x 2.9 mm ; largest Ψ 3.0 x 3.6 mm . Distribution . Indian Ocean from Madagascar to Western Australia , including the Red Sea, and in the western Pacific eastwards to the Moluccas .