Lygromma
Lygromma is a spider genus of Central and South America. There are species with eight, six and no eyes. The eyeless L. anops is endemic to the Galapagos, while the distantly related blind L. gertschi is found only on Jamaica.
The Mexican genera Tivodrassus and Tricongius have been suggested as sister groups of Lygromma.
Species can reach a body length from about 2 to 4.6 mm.
Species
, the genus contains 19 species:Lygromma anops Peck & Shear, 1987 — Galapagos IslandsLygromma chamberlini Gertsch, 1941 — Panama, Colombia, CubaLygromma domingo Platnick & Shadab, 1981 — EcuadorLygromma dybasi Platnick & Shadab, 1976 — Costa Rica, PanamaLygromma gasnieri Brescovit & Höfer, 1993 — BrazilLygromma gertschi Platnick & Shadab, 1976 — JamaicaLygromma huberti Platnick & Shadab, 1976 — Venezuela, BrazilLygromma kochalkai Platnick & Shadab, 1976 — ColombiaLygromma nicolae Víquez, 2020 – Costa RicaLygromma peckorum Platnick & Shadab, 1976 — ColombiaLygromma peruvianum Platnick & Shadab, 1976 — PeruLygromma quindio Platnick & Shadab, 1976 — ColombiaLygromma senoculatum Simon, 1893 — VenezuelaLygromma simoni — EcuadorLygromma taruma Brescovit & Bonaldo, 1998 — BrazilLygromma tuxtla Platnick, 1978 — MexicoLygromma valencianum Simon, 1893 — VenezuelaLygromma volcan Platnick & Shadab, 1981 — PanamaLygromma wygodzinskyi Platnick, 1978 — Colombia