Included taxa
Mello-Leitão, C. F. de (1917b). Generos e especies novas de araneidos. Archivos da Escola Superior de Agricultura e Medicina Veterinaria, Rio de Janeiro 1: 3-19. 
Species
| Species | Family | Page / figures | published as |
|---|---|---|---|
| Ceraarachne blanci | Thomisidae | 11 (Dm) | Parastrophius blanci |
| Neohahnia palmicola | Hahniidae | 17 (Df) | Neohahnia palmicola |
| Neohahnia sylviae | Hahniidae | 17 (Df) | Neohahnia sylviae |
| Oecobius navus | Oecobiidae | 9, 10 (Df) | Oecobius fluminensis |
| Oecobius navus | Oecobiidae | 10 | Oecobius variabilis |
| Petrunkevitchia pusilla | Uloboridae | 8 (Dm) | Petrunkevitchia pusilla |
| Philoponella fasciata | Uloboridae | 4, 7 (Df) | Uloborus fasciatus |
| Strotarchus tropicus | Cheiracanthiidae | 15 (Dm) | Coreidon tropicum |
| Uloborus ater | Uloboridae | 4, 7 (Df) | Uloborus ater |
| Uloborus niger | Uloboridae | 5, 7 (Df) | Uloborus niger |
| Zosis costalimae | Uloboridae | 5, 7 (Dmf) | Uloborus costa-limae |
Genera
| Genus | Family | Page |
|---|---|---|
| Neohahnia Mello-Leitão, 1917 | Hahniidae | ? |
| Philoponella Mello-Leitão, 1917 | Uloboridae | 8 |