Included taxa
Mello-Leitão, C. F. de (1920c). Algumas aranhas novas. Revista da Sociedade Brasileira de Sciencias 3: 169-176. 
Species
| Species | Family | Page / figures | published as |
|---|---|---|---|
| Auximella subdifficilis | Macrobunidae | 169 (Df) | Lathys (Notolathys) subdifficile |
| Opopaea concolor | Oonopidae | 172 (Df) [urn:lsid:nmbe.ch:spidersp:004882] | Gammasomorpha humilis |
| Pikelinia mendensis | Filistatidae | 171 (Df) | Filistata mendensis |
| Rhomphaea brasiliensis | Theridiidae | 174, unnumbered f. (Df) | Romphaea brasiliensis |
Genera
| Genus | Family | Page |
|---|---|---|
| Notolathys Mello-Leitão, 1920 | Macrobunidae | 169 |