Included taxa
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. 
Species
| Species | Family | Page / figures | published as |
|---|---|---|---|
| Tidarren haemorrhoidale | Theridiidae | 10, pl. 3 (Dm) | Tidarren minor |
| Tidarren mixtum | Theridiidae | 9, pl. 2 (mf) | Tidarren mixtum |
| Tidarren sisyphoides | Theridiidae | 5, pl. 1 (mf) | Tidarren fordum |
Genera
| Genus | Family | Page |
|---|---|---|
| Tidarren Chamberlin & Ivie, 1934 | Theridiidae | 4 |