Taxa included

Chamberlin, R. V. & Ivie, W. (1934). A new genus of theridiid spiders in which the male develops only one palpus. Bulletin of the University of Utah 24(4): 1-18.

Taxon
Tidarren Chamberlin & Ivie, 1934 (Theridiidae) 4, type Theridium fordum Keyserling, 1884; gender neuter; syn. of Tidarren sisyphoides (Walckenaer, 1841) Original description
Tidarren sisyphoides (Walckenaer, 1841) (Theridiidae) 5, pl. 1 (mf), Tidarren fordum
Tidarren mixtum (O. Pickard-Cambridge, 1896) (Theridiidae) 9, pl. 2 (mf), Tidarren mixtum
Tidarren haemorrhoidale (Bertkau, 1880) (Theridiidae) 10, pl. 3 (Dm), Tidarren minor

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