- family: Theridiidae
![[see contained taxa]](./arrow.png)
- genus: Robertus
- species: Robertus banksi (Kaston, 1946)
- species: Robertus borealis (Kaston, 1946)
- species: Robertus crosbyi (Kaston, 1946)
- species: Robertus eremophilus Chamberlin, in Chamberlin & Gertsch, 1928
- species: Robertus floridensis (Kaston, 1946)
- species: Robertus frontatus (Banks, 1892)
- species: Robertus fuscus (Emerton, 1894)
- species: Robertus laticeps (Keyserling, 1884)
- species: Robertus lividus (Blackwall, 1836)
- species: Robertus longipalpus (Kaston, 1946)
- species: Robertus pumilus (Emerton, 1909)
- species: Robertus riparius (Keyserling, 1886)
- species: Robertus similis (Kaston, 1946)
- species: Robertus spinifer (Emerton, 1909)
- species: Robertus vigerens (Chamberlin & Ivie, 1933)
