Family list
Familienliste
| Family | Itaqui 2007 | Cachoeira 2005 | Family | Itaqui 2007 | Cachoeira 2005 |
| Amaurobiidae | 13 | 156 |
Ochyroceratidae | 18 |
151 |
| Anapidae | 40 | 116 | Oonopidae | 45 | 267 |
| Anyphaenidae | 119 | 267 | Oxyopidae | 31 | 156 |
| Araneidae | 133 | 165 | Palpimanidae | 0 | 40 |
| Caponiidae | 1 | 116 | Philodromidae | 38 | 156 |
| Corinnidae | 42 | 270 | Pholcidae | 60 | 267 |
| Ctenidae | 67 | 307 | Pisauridae | 22 | 167 |
| Cyrtaucheniidae | 1 | 0 | Prodidomidae | 2 | 0 |
| Deinopidae | 25 | 156 | Salticidae | 132 | 267 |
| Dictynidae | 2 | 116 | Scytodidae | 32 | 156 |
| Dipluridae | 8 | 151 | Senoculidae | 9 | 156 |
| Gnaphosidae | 3 | 0 | Sparassidae | 12 | 157 |
| Hahniidae | 9 | 268 | Symphytognathidae | 0 | 111 |
| Hersiliidae | 2 | 40 | Synotaxidae | 8 | 156 |
| Idiopidae | 1 | 116 | Tetragnathidae | 31 | 271 |
| Linyphiidae | 99 | 286 | Theridiidae | 177 | 265 |
| Liocranidae | 0 | 111 | Theridiosomatidae | 70 | 271 |
| Lycosidae | 18 | 280 | Thomisidae | 104 | 156 |
| Mimetidae | 33 | 156 | Titanoecidae | 3 | 0 |
| Miturgidae | 6 | 161 | Trechaleidae | 4 | 41 |
| Mymenidae | 25 | 156 | Uloboridae | 44 | 156 |
| Nemesiidae | 0 | 111 | Zodariidae | 2 | 0 |
| Nesticidae | 51 | 156 | Zoridae | 18 | 183 |
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