Included taxa
Levi, H. W. (1963e). The American spider genera Spintharus and Thwaitesia. Psyche, Cambridge 70(4): 223-234. doi:10.1155/1963/54690 
Species
| Species | Family | Page / figures | published as |
|---|---|---|---|
| Spintharus flavidus | Theridiidae | 225, f. 1, 2K-U, W, 3-9 (mf, S of Spintharus hentzi) | Spintharus flavidus |
| Spintharus gracilis | Theridiidae | 227, f. 2V, 10-13 (mf) | Spintharus gracilis |
| Thwaitesia affinis | Theridiidae | 231, f. 14-19 (mf, S of Twaitesia adamantifera) | Thwaitesia affinis |
| Thwaitesia bracteata | Theridiidae | 233, f. 22-24 (f, Dm) | Thwaitesia bracteata |
| Thwaitesia simoni | Theridiidae | 234, f. 20-21 (f) | Thwaitesia simoni |
| Thwaitesia splendida | Theridiidae | 234, f. 25-26 (f) | Thwaitesia splendida |
Genera
No genus found for this reference