Included taxa
Mello-Leitão, C. F. de (1937a). Aranhas novas ou raras. Anais da Academia Brasileira de Ciências 9: 1-12. 
Species
| Species | Family | Page / figures | published as |
|---|---|---|---|
| Araneus taperae | Araneidae | 7, f. 8 (Df) | Metepeira taperae |
| Diplura macrura | Dipluridae | 3, f. 3 (Dm) | Diplura bicolor |
| Idiops camelus | Idiopidae | 1, f. 1-2 (Df) | Pseudidiops camelus |
| Kaira altiventer | Araneidae | 9, f. 10 (Df) [urn:lsid:nmbe.ch:spidersp:057755] | Pronarachne aries |
| Leucauge paranensis | Tetragnathidae | 7, f. 7 (Df) | Cyclosa paranensis |
| Linothele paulistana | Dipluridae | 3, f. 4 (Df) [urn:lsid:nmbe.ch:spidersp:000328] | Diplura annulifila |
| Miagrammopes guttatus | Uloboridae | 5, f. 6-11 (Dm) | Miagrammopes guttatus |
| Olios plumipes | Sparassidae | 10, f. 12 (Df) | Olios plumipes |
| Rachias brachythelus | Pycnothelidae | 4, f. 5-8 (Dm) | Diplura brachythele |
| Tmarus clarus | Thomisidae | 11, f. 13 (Df) | Fageia clara |
Genera
| Genus | Family | Page |
|---|---|---|
| Pronarachne Mello-Leitão, 1937 | Araneidae | 8 |