- family: Theridiosomatidae
- genus: Theridiosoma
- species: Theridiosoma argenteolunulatum Simon, 1897
- species: Theridiosoma blaisei Simon, 1903
- species: Theridiosoma caaguara Rodrigues & Ott, 2005
- species: Theridiosoma chiripa Rodrigues & Ott, 2005
- species: Theridiosoma circuloargenteum Wunderlich, 1976
- species: Theridiosoma concolor Keyserling, 1884
- species: Theridiosoma davisi Archer, 1953
- species: Theridiosoma epeiroides Bösenberg & Strand, 1906
- species: Theridiosoma fasciatum Workman, 1896
- species: Theridiosoma gemmosum (L. Koch, 1877)
- species: Theridiosoma genevensium (Brignoli, 1972)
- species: Theridiosoma goodnightorum Archer, 1953
- species: Theridiosoma kikuyu Brignoli, 1979
- species: Theridiosoma latebricola Locket, 1968
- species: Theridiosoma lopdelli Marples, 1955
- species: Theridiosoma lucidum Simon, 1897
- species: Theridiosoma nebulosum Simon, 1901
- species: Theridiosoma nechodomae Petrunkevitch, 1930
- species: Theridiosoma obscurum (Keyserling, 1886)
- species: Theridiosoma picteti Simon, 1893
- species: Theridiosoma savannum Chamberlin & Ivie, 1944
- species: Theridiosoma taiwanica Zhang, Zhu & Tso, 2006
- species: Theridiosoma zygops (Chamberlin & Ivie, 1936)