Theridiidae Sundevall, 1833
Robertus alpinus Dresco, 1959
Robertus arcticus (Chamberlin & Ivie, 1947)
Robertus arundineti (O. P.-Cambridge, 1871)
Robertus banksi (Kaston, 1946)
Robertus borealis (Kaston, 1946)
Robertus calidus Knoflach, 1995
Robertus cantabricus Fage, 1931
Robertus cardesensis Dresco, 1959
Robertus crosbyi (Kaston, 1946)
Robertus emeishanensis Zhu, 1998
Robertus eremophilus Chamberlin, 1928
Robertus floridensis (Kaston, 1946)
Robertus frivaldszkyi (Chyzer, 1894)
Robertus frontatus (Banks, 1892)
Robertus fuscus (Emerton, 1894)
Robertus golovatchi Eskov, 1987
Robertus heydemanni Wiehle, 1965
Robertus insignis O. P.-Cambridge, 1907
Robertus kastoni Eskov, 1987
Robertus kuehnae Bauchhenss & Uhlenhaut, 1993
Robertus laticeps (Keyserling, 1884)
Robertus lividus (Blackwall, 1836)
Robertus longipalpus (Kaston, 1946)
Robertus lyrifer Holm, 1939
Robertus mazaurici (Simon, 1901)
Robertus mediterraneus Eskov, 1987
Robertus monticola Simon, 1914
Robertus naejangensis Seo, 2005
Robertus neglectus (O. P.-Cambridge, 1871)
Robertus nipponicus Yoshida, 1995
Robertus nojimai Yoshida, 2002
Robertus ogatai Yoshida, 1995
Robertus potanini Schenkel, 1963
Robertus pumilus (Emerton, 1909)
Robertus riparius (Keyserling, 1886)
Robertus saitoi Yoshida, 1995
Robertus scoticus Jackson, 1914
Robertus sibiricus Eskov, 1987
Robertus similis (Kaston, 1946)
Robertus spinifer (Emerton, 1909)
Robertus truncorum (L. Koch, 1872)
Robertus ungulatus Vogelsanger, 1944
Robertus ussuricus Eskov, 1987
Robertus vigerens (Chamberlin & Ivie, 1933)
Robertus yasudai Yoshida, 2001