- family: Linyphiidae
- family: Nesticidae
- family: Pimoidae
- family: Synotaxidae
- family: Theridiidae
- genus: Achaearanea
- genus: Anelosimus
- genus: Argyrodes
- genus: Carniella
- genus: Coleosoma
- genus: Crustulina
- genus: Dipoena
- genus: Enoplognatha
- genus: Episinus
- genus: Euryopis
- genus: Keijia
- genus: Kochiura
- genus: Lasaeola
- genus: Latrodectus
- genus: Neospintharus
- genus: Neottiura
- genus: Parasteatoda
- genus: Pholcomma
- genus: Phoroncidia
- genus: Robertus
- genus: Rugathodes
- genus: Simitidion
- genus: Steatoda
- genus: Styposis
- genus: Theonoe
- genus: Theridion
- species: Theridion cochise Levi, 1963
- species: Theridion conigerum Simon, 1914
- species: Theridion frondeum Hentz, 1850
- species: Theridion nigrovariegatum Simon, 1873
- species: Theridion ohlerti Thorell, 1870
- species: Theridion petraeum L. Koch, 1872
- species: Theridion pictum (Walckenaer, 1802)
- species: Theridion pinastri L. Koch, 1872
- species: Theridion sisyphium (Clerck, 1757)
- species: Theridion varians Hahn, 1833
- genus: Theridula
- genus: Thymoites