- family: Amaurobiidae
- family: Dictynidae
- genus: Argenna
- genus: Brommella
- genus: Dictyna
- species: Dictyna apacheca Chamberlin & Ivie, 1935
- species: Dictyna bostoniensis Emerton, 1888
- species: Dictyna calcarata Banks, 1904
- species: Dictyna cholla Gertsch & Davis, 1942
- species: Dictyna crosbyi Gertsch & Mulaik, 1940
- species: Dictyna major Menge, 1869
- species: Dictyna marilina Chamberlin, 1948
- species: Dictyna personata Gertsch & Mulaik, 1936
- species: Dictyna sancta Gertsch, 1946
- species: Dictyna sierra Chamberlin, 1948
- species: Dictyna terrestris Emerton, 1911
- species: Dictyna tucsona Chamberlin, 1948
- genus: Emblyna Chamberlin, 1948
- species: Emblyna annulipes (Blackwall, 1846)
- species: Emblyna capens Chamberlin, 1948
- species: Emblyna completa (Chamberlin & Gertsch, 1929)
- species: Emblyna crocana Chamberlin, 1948
- species: Emblyna hentzi (Kaston, 1945)
- species: Emblyna hoya (Chamberlin & Ivie, 1941)
- species: Emblyna manitoba (Ivie, 1947)
- species: Emblyna mariae Chamberlin, 1948
- species: Emblyna mitis (Thorell, 1875)
- species: Emblyna olympiana (Chamberlin, 1919)
- species: Emblyna palomara Chamberlin, 1948
- species: Emblyna peragrata (Bishop & Ruderman, 1946)
- species: Emblyna piratica (Ivie, 1947)
- species: Emblyna reticulata (Gertsch & Ivie, 1936)
- species: Emblyna scotta Chamberlin, 1948
- species: Emblyna stulta (Gertsch & Mulaik, 1936)
- species: Emblyna sublata (Hentz, 1850)
- species: Emblyna uintana (Chamberlin, 1919)
- genus: Hackmania
- genus: Iviella
- genus: Lathys
- genus: Mallos
- genus: Mexitlia
- genus: Phantyna Chamberlin, 1948
- genus: Thallumetus
- genus: Tivyna Chamberlin, 1948
- genus: Tricholathys