Eumastacidae Burr, 1898
Tachiramastax ampullacea Descamps, 1974
Tachiramastax aragua (Descamps, 1974)
Tachiramastax colombiae (Descamps, 1974)
Tachiramastax fernandezi (Descamps, 1974)
Tachiramastax mirandana Descamps, 1982
Tachiramastax trifida (Rehn, J.A.G. & J.W.H. Rehn, 1942)
