- family: Actinopodidae
- family: Amaurobiidae
- family: Amphinectidae
- family: Antrodiaetidae
- family: Atypidae
- family: Barychelidae
- family: Ctenidae
- family: Ctenizidae
- family: Cyrtaucheniidae
- genus:
- genus: Acontius
- genus: Ancylotrypa
- genus: Bolostromus
- genus: Cyrtauchenius
- species: Cyrtauchenius artifex (Simon, 1889)
- species: Cyrtauchenius bedeli Simon, 1881
- species: Cyrtauchenius bicolor (Simon, 1889)
- species: Cyrtauchenius castaneiceps (Simon, 1889)
- species: Cyrtauchenius dayensis Simon, 1881
- species: Cyrtauchenius doleschalli Ausserer, 1871
- species: Cyrtauchenius inops (Simon, 1889)
- species: Cyrtauchenius latastei Simon, 1881
- species: Cyrtauchenius luridus Simon, 1881
- species: Cyrtauchenius maculatus (Simon, 1889)
- species: Cyrtauchenius structor (Simon, 1889)
- species: Cyrtauchenius talpa Simon, 1891
- species: Cyrtauchenius terricola (Lucas, 1846)
- species: Cyrtauchenius walckenaeri (Lucas, 1846)
- genus: Entychides
- genus: Fufius
- genus: Myrmekiaphila
- family: Deinopidae
- family: Desidae
- family: Dictynidae
- family: Dipluridae
- family: Eresidae
- family: Filistatidae
- family: Hexathelidae
- family: Hypochilidae
- family: Idiopidae
- family: Liphistiidae
- family: Migidae
- family: Nemesiidae
- family: Oecobiidae
- family: Paratropididae
- family: Psechridae
- family: Theraphosidae
- family: Titanoecidae
- family: Uloboridae
- family: Zorocratidae
- family: Zoropsidae