In synonymy:
Coressa Simon, 1894 = Theonoe Simon, 1881 (Simon, 1903a: 992)
Onesinda O. Pickard-Cambridge, 1896 = Theonoe Simon, 1881 (Simon, 1903a: 992)
Theridiellum Dahl, 1912 = Theonoe Simon, 1881 (Dahl, 1912b: 598, superfluous new generic name, the type species is also the type of the older names Theonoe, Coressa and Onesinda)

type Theonoe filiola Simon, 1881; gender feminine; syn. of Theonoe minutissima (O. Pickard-Cambridge, 1879)

N.B.: considered a senior synonym of Coressa Simon, 1894a: 647 [urn:lsid:nmbe.ch:spidergen:05906] and Onesinda O. Pickard-Cambridge, 1896a: 104 [urn:lsid:nmbe.ch:spidergen:05907] (type of both is Walckenaeria minutissima O. Pickard-Cambridge, 1879) by Simon, 1903a: 992; Theridiellum Dahl, 1912b: 598 [urn:lsid:nmbe.ch:spidergen:05908] was a superfluous new generic name, because the type species is also the type of the older names Theonoe, Coressa and Onesinda; synonymy of Marianana Georgescu, 1989 rejected by Nae, 2012: 2 (contra Wunderlich, 2008b: 268), see Carniella Thaler & Steinberger, 1988.

Transferred to other genera:
Theonoe americana Simon, 1897 -- see Thymoites
Theonoe detriticola Miller, 1970 -- see Carniella
Theonoe globifera Simon, 1899 -- see Carniella
Theonoe mihaili (Georgescu, 1989) -- see Carniella
Theonoe striatipes Petrunkevitch, 1930 -- see Eidmannella
Theonoe weyersi Brignoli, 1979 -- see Carniella

In synonymy:
Theonoe filiola Simon, 1881 = Theonoe minutissima (O. Pickard-Cambridge, 1879) (Simon, 1903a: 992).
Theonoe formivora (Walckenaer, 1841, T from Theridion) = Theonoe fusca (Blackwall, 1841) (Walckenaer, 1847a: 502, sub Argus).

Nomen dubium:
Theonoe fusca (Blackwall, 1841: 626, f, Britain, France, originally in Theridion) -- O. Pickard-Cambridge, 1900b: 21, confirmed by Bristowe, 1941: 517.

Theonoe africana Caporiacco, 1947c: 149 (Df).

Theonoe major Denis, 1961a: 239, f. 2A-B (Df).
Theonoe major Le Peru, 2011: 468, f. 793 (f).

Walckenaera minutissima O. Pickard-Cambridge, 1879e: 203, pl. 12, f. 7 (Df).
Theonoe filiola Simon, 1881a: 131 (Dmf) [urn:lsid:nmbe.ch:spidersp:056914].
Ceratinella minutissima Simon, 1884a: 858.
Theonoe filiola Simon, 1894a: 586, f. 591, 593 (m).
Coressa minutissima Simon, 1894a: 647.
Onesinda minutissima O. Pickard-Cambridge, 1896b: 105, pl. A, f. 4a-d (f).
Theonoe minutissima Carpenter, 1898: 160.
Theonoe minutissima Simon, 1903a: 992 (S of Theonoe filiola).
Onesinda minutissima O. Pickard-Cambridge, 1906a: 45, pl. B, f. 2 (Dm).
Theridiellum minutissimum Dahl, 1912b: 598.
Theonoe minutissima Wiehle, 1937: 219, f. 281-286 (mf).
Theonoe minutissima Locket & Millidge, 1953: 90, f. 60A-C (mf).
Coressa minutissima Levi, 1955a: 4, f. 1 (m).
Theonoe minutissima Tystshenko, 1971: 142, f. 377 (m).
Theonoe minutissima Miller, 1971: 182, pl. XXX, f. 18-19 (mf).
Theonoe minutissima Palmgren, 1974b: 35, f. 8.19-21 (mf).
Theonoe minutissima Heimer, 1982: 41, f. 8 (m).
Theonoe minutissima Roberts, 1985: 196, f. 87b (mf).
Theonoe minutissima Thaler & Steinberger, 1988: 1001, f. 8, 21-22 (m).
Theonoe minutissima Heimer & Nentwig, 1991: 298, f. 802 (mf).
Theonoe minutissima Roberts, 1995: 296, f. (mf).
Theonoe minutissima Agnarsson, 1996: 55, f. 40A-B (mf).
Theonoe minutissima Roberts, 1998: 309, f. (mf).
Theonoe minutissima Thaler & Knoflach, 2000: 161, f. 4, 6, 9 (mf).
Theonoe minutissima Trotta, 2005: 175, f. 443-444 (mf).
Theonoe minutissima Almquist, 2006: 95, f. 117a-g (mf).
Theonoe minutissima Agnarsson, Coddington & Knoflach, 2007: 362, f. 96-98 (m).
Theonoe minutissima Le Peru, 2011: 468, f. 795 (mf).
Theonoe minutissima Vanuytven, 2021: 23, 276, f. A.9b, B.301a-b, B.302-305 (m).

Theonoe sola Thaler & Steinberger, 1988: 1001, f. 5-7, 16-20 (Dm).
Theonoe sola Thaler & Knoflach, 2000: 160, f. 1-3, 5, 7-8 (m, Df).
Theonoe sola Le Peru, 2011: 468, f. 796 (m).

Theonoe stridula Crosby, 1906: 308, f. 33-34 (Dm).
Coressa stridula Levi, 1955a: 4, f. 2-6 (m, Df).
Theonoe stridula Levi & Levi, 1962: 58, f. 251-252 (m).
Theonoe stridula Coddington, 1990: 17, f. 85 (m).
Theonoe stridula Thaler & Knoflach, 2000: 163, f. 10 (m).
Theonoe stridula Paquin & Dupérré, 2003: 221, f. 2477-2478 (mf).