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N.B.: considered a senior synonym of Hadrotarsidae Thorell, 1881: 190 (sub Hadrotarsoidae, removed from the synonymy of Oonopidae by Roewer, 1963a: 122, rejecting Roewer, 1942a: 287) by Forster, Platnick & Coddington, 1990: 111 (per Wunderlich, 1978a: 25 and Wunderlich, 1986: 95, rejecting Baert, 1984a: 615 and Davies, 1985: 67), who recognized an expanded Hadrotarsinae as well as a separate subfamily Spintharinae Simon, 1894a: 512 (sub Spinthareae); the subfamily Theonoeinae Simon, 1894a: 586 (sub Theonoeae) (synonym Pholcommatinae Simon, 1894a: 589, sub Pholcommateae), which include Theonoe Simon, 1881, Carniella Thaler & Steinberger, 1988, Robertus O. Pickard-Cambridge, 1879 and Pholcomma Thorell, 1869, is circumscribed by Eskov & Marusik, 2024: 51; Eskov & Marusik, 2024: 52 also mention the subfamilies Argyrodinae Simon, 1881a: 14 (sub Argyrodini) and Latrodectinae Petrunkevitch, 1928: 117 (junior synyonym of Dipoeninae Simon, 1894a: 561, sub Dipoeneae).
Transferred to other genera:
Tidarren cartum (Levi, 1963) -- see Echinotheridion
Tidarren fordum luctuosum Caporiacco, 1954 -- see Cryptachaea
Tidarren gibberosum (Kulczyński, 1899) -- see Echinotheridion
Tidarren incertissimum Caporiacco, 1954 -- see Theridion
Tidarren rostratum (O. Pickard-Cambridge, 1896) -- see Cryptachaea
In synonymy:
Tidarren amilcari (Barrientos & Hernández-Corral, 2021, T from Cryptachaea) = Tidarren cuneolatum (Tullgren, 1910) (Hernández-Corral & Barrientos, 2021b: 53)
Tidarren ansatum (Walckenaer, 1841, T from Theridion) = Tidarren sisyphoides (Walckenaer, 1841) (Levi, 1957a: 21)
Tidarren chevalieri (Berland, 1936) = Tidarren cuneolatum (Tullgren, 1910) (Knoflach & van Harten, 2006: 1515)
Tidarren elevatum (Banks, 1897) = Tidarren haemorrhoidale (Bertkau, 1880) (Levi, 1969: 71)
Tidarren fordulum (Banks, 1909) = Tidarren haemorrhoidale (Bertkau, 1880) (Levi, 1969: 71)
Tidarren fordum (Keyserling, 1884, T from Theridion) = Tidarren sisyphoides (Walckenaer, 1841) (Chamberlin & Ivie, 1944: 57)
Tidarren guineense (Simon, 1907, T from Theridion) = Tidarren scenicum (Thorell, 1899) (Knoflach & van Harten, 2006: 1567)
Tidarren hagemanni Schmidt, 1956 = Tidarren cuneolatum (Tullgren, 1910) (Wunderlich, 1992a: 410, sub T. chevalieri)
Tidarren minor Chamberlin & Ivie, 1934 = Tidarren haemorrhoidale (Bertkau, 1880) (Levi, 1969: 71)
Tidarren probum (O. Pickard-Cambridge, 1899, T from Dipoena) = Tidarren sisyphoides (Walckenaer, 1841) (Levi, 1963a: 138)
Tidarren pseudogibberosum Schmidt, 1973 = Tidarren cuneolatum (Tullgren, 1910) (Wunderlich, 1992a: 410, sub T. chevalieri)
Tidarren texanum (Banks, 1910) = Tidarren haemorrhoidale (Bertkau, 1880) (Levi, 1969: 71)
Tidarren turrigerum (Simon, 1900, T from Theridion) = Tidarren scenicum (Thorell, 1899) (Knoflach & van Harten, 2006: 1567)
Nomen dubium:
Tidarren maculosum (Keyserling, 1884a: 30, pl. 1, f. 14, f, Venezuela, originally in Theridion) -- Levi, 1967b: 28, confirmed by Levi, 1969: 71
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