- family: Theridiidae
- genus: Achaearanea Strand, 1929
- genus: Achaearyopa Barrion & Litsinger, 1995
- genus: Ameridion Wunderlich, 1995
- genus: Anatea Berland, 1927
- genus: Anelosimus Simon, 1891
- genus: Argyrodella Saaristo, 2006
- genus: Argyrodes Simon, 1864
- genus: Ariamnes Thorell, 1869
- genus: Asygyna Agnarsson, 2006
- genus: Audifia Keyserling, 1884
- genus: Bardala Saaristo, 2006
- genus: Cabello Levi, 1964
- genus: Carniella Thaler & Steinberger, 1988
- genus: Cephalobares O. P.-Cambridge, 1870
- genus: Cerocida Simon, 1894
- genus: Chorizopella Lawrence, 1947
- genus: Chrosiothes Simon, 1894
- genus: Chrysso O. P.-Cambridge, 1882
- genus: Coleosoma O. P.-Cambridge, 1882
- genus: Coscinida Simon, 1895
- genus: Craspedisia Simon, 1894
- genus: Crustulina Menge, 1868
- genus: Cyllognatha L. Koch, 1872
- genus: Deelemanella Yoshida, 2003
- genus: Dipoena Thorell, 1869
- genus: Dipoenata Wunderlich, 1988
- genus: Dipoenura Simon, 1909
- genus: Echinotheridion Levi, 1963
- genus: Emertonella Bryant, 1945
- genus: Enoplognatha Pavesi, 1880
- genus: Episinus Latreille, 1809
- genus: Euryopis Menge, 1868
- genus: Eurypoena Wunderlich, 1992
- genus: Exalbidion Wunderlich, 1995
- genus: Faiditus Keyserling, 1884
- genus: Gmogala Keyserling, 1890
- genus: Gnophomytis Simon, 1895
- genus: Guaraniella Baert, 1984
- genus: Hadrotarsus Thorell, 1881
- genus: Helvibis Keyserling, 1884
- genus: Helvidia Thorell, 1890
- genus: Hetschkia Keyserling, 1886
- genus: Histagonia Simon, 1895
- genus: Icona Forster, 1955
- genus: Jamaitidion Wunderlich, 1995
- genus: Keijia Yoshida, 2001
- genus: Kochiura Archer, 1950
- genus: Landoppo Barrion & Litsinger, 1995
- genus: Lasaeola Simon, 1881
- genus: Latrodectus Walckenaer, 1805
- genus: Macaridion Wunderlich, 1992
- genus: Marianana Georgescu, 1989
- genus: Molione Thorell, 1892
- genus: Moneta O. P.-Cambridge, 1870
- genus: Nanume Saaristo, 2006
- genus: Neospintharus Exline, 1950
- genus: Neottiura Menge, 1868
- genus: Nesticodes Archer, 1950
- genus: Nipponidion Yoshida, 2001
- genus: Paidiscura Archer, 1950
- genus: Parasteatoda Archer, 1946
- genus: Paratheridula Levi, 1957
- genus: Pholcomma Thorell, 1869
- genus: Phoroncidia Westwood, 1835
- genus: Phycosoma O. P.-Cambridge, 1879
- genus: Proboscidula Miller, 1970
- genus: Propostira Simon, 1894
- genus: Rhomphaea L. Koch, 1872
- genus: Robertia Saaristo, 2006
- genus: Robertus O. P.-Cambridge, 1879
- genus: Rugathodes Archer, 1950
- genus: Sardinidion Wunderlich, 1995
- genus: Selimus Saaristo, 2006
- genus: Selkirkiella Berland, 1924
- genus: Sesato Saaristo, 2006
- genus: Simitidion Wunderlich, 1992
- genus: Spheropistha Yaginuma, 1957
- genus: Spinembolia Saaristo, 2006
- genus: Spintharus Hentz, 1850
- genus: Steatoda Sundevall, 1833
- genus: Stemmops O. P.-Cambridge, 1894
- genus: Stoda Saaristo, 2006
- genus: Styposis Simon, 1894
- genus: Takayus Yoshida, 2001
- genus: Tekellina Levi, 1957
- genus: Theonoe Simon, 1881
- genus: Theridion Walckenaer, 1805
- genus: Theridula Emerton, 1882
- genus: Thwaitesia O. P.-Cambridge, 1881
- genus: Thymoites Keyserling, 1884
- genus: Tidarren Chamberlin & Ivie, 1934
- genus: Tomoxena Simon, 1895
- genus: Wamba O. P.-Cambridge, 1896
- genus: Wirada Keyserling, 1886
- genus: Yaginumena Yoshida, 2002
- genus: Yoroa Baert, 1984
- genus: Zercidium Benoit, 1977