Included taxa
Paquin, P., Dupérré, N., Buckle, D. J. & Crawford, R. L. (2008a). A new spider genus from North America: Frederickus (Araneae: Linyphiidae). Animal Biology 58(1): 91-112. doi:10.1163/157075608X303663 
Species
| Species | Family | Page / figures | published as |
|---|---|---|---|
| Frederickus coylei | Linyphiidae | 96, f. 2-11 (Dmf) | Frederickus coylei |
| Frederickus wilburi | Linyphiidae | 102, f. 1, 12-18 (Tm from Collinsia, Df) | Frederickus wilburi |
Genera
| Genus | Family | Page |
|---|---|---|
| Frederickus Paquin, Dupérré, Buckle & Crawford, 2008 | Linyphiidae | 93 |