Included taxa
Mello-Leitão, C. F. de (1933b). Catalogo das aranhas argentinas. Archivos da Escola Superior de Agricultura e Medicina Veterinaria, Rio de Janeiro 10: 3-63. 
Species
| Species | Family | Page / figures | published as |
|---|---|---|---|
| Alpaida leucogramma | Araneidae | 41 | Parepeira albostriata |
| Alpaida truncata | Araneidae | 36 | Edricus truncatus |
| Alpaida veniliae | Araneidae | 40 | Neoscona borelli |
| Araneus lathyrinus | Araneidae | 41 | Neosconella lathyrina |
| Ariadna mollis | Segestriidae | 12 (S of Ariadna boesenbergi and Segestria vulgarissima; A. boesenbergi revalidated by Beatty, 1970: 476) | Ariadna mollis |
| Avicularia mendozina | Theraphosidae | 8 (T from Mygale, doubtful species = nomen dubium) | Eurypelma mendozina |
| Euryopis gracilis | Theridiidae | 27 (T from Micryphantes) | Euryopis gracilis |
| Grammostola doeringi | Theraphosidae | 6 | Eurypelma doeringi |
| Mecynogea erythromela | Araneidae | 33 | Mecynogea erythromela |
| Misumenoides chlorophilus | Thomisidae | 53 | Misumenoides chlorophilus |
| Misumenops anachoretus | Thomisidae | 53 | Misumenops anachoretus |
| Misumenops temibilis | Thomisidae | 53 | Misumenops exanthematicus |
| Misumenops temibilis | Thomisidae | 54 | Misumenops temibilis |
| Parawixia audax | Araneidae | 42 | Verrucosa audax |
| Steatoda anchorata | Theridiidae | 25 (S of Lithyphantes vittatus) | Lithyphantes anchoratus |
| Syrisca patagonica | Miturgidae | 58 | Syrisca patagonica |
| Trichonephila sexpunctata | Araneidae | 43 (S of Nephila riverai) | Nephila sexpunctata |
| Zelotes zonatus | Gnaphosidae | 49 | Zelotes zonatus |
Genera
| Genus | Family | Page |
|---|---|---|
| Parepeira Mello-Leitão, 1933 | Araneidae | 41 |