Included taxa
Fox, I. (1938a). Notes on North American spiders of the families Gnaphosidae, Anyphaenidae and Clubionidae. Iowa State College Journal of Science 12: 227-243. 
Species
| Species | Family | Page / figures | published as |
|---|---|---|---|
| Anyphaena aperta | Anyphaenidae | 238, pl. 1, f. 6 (Dm) | Anyphaena aperta |
| Cesonia irvingi | Gnaphosidae | 232, pl. 2, f. 1 (Df; preoccupied by Holmberg, 1881, sub Drassus) | Herpyllus australis |
| Clubiona californica | Clubionidae | 239, pl. 2, f. 4 (Df) | Clubiona californica |
| Clubiona norvegica | Clubionidae | 240, pl. 2, f. 7 (Df) | Clubiona carpenterae |
| Drassyllus arizonensis | Gnaphosidae | 234, pl. 2, f. 3 | Drassyllus arizonensis |
| Gnaphosa borea | Gnaphosidae | 230, pl. 2, f. 5 (Df) | Gnaphosa subparvula |
| Gnaphosa clara | Gnaphosidae | 228, pl. 1, f. 2, 8 (Dmf) | Gnaphosa septentrionalis |
| Gnaphosa hirsutipes | Gnaphosidae | 228, pl. 1, f. 9 (Dm) | Gnaphosa hirsutipes |
| Gnaphosa orites | Gnaphosidae | 231, pl. 1, f. 1 (Dm) | Gnaphosa labradorensis |
| Gnaphosa tenebrosa | Gnaphosidae | 229, pl. 2, f. 6 (Df) | Gnaphosa tenebrosa |
| Herpyllus bensonae | Gnaphosidae | 232, pl. 1, f. 7 (Dm) | Herpyllus bensonae |
| Herpyllus excelsus | Gnaphosidae | 232, pl. 2, f. 8 (Df) | Herpyllus excelsus |
| Litopyllus temporarius | Gnaphosidae | 235, pl. 1, f. 4 (Dm) | Litopyllus ambiguus |
| Sosticus insularis | Gnaphosidae | 236, pl. 1, f. 3, 5 (Dmf) | Sosticus projectus |
| Zelotes tuobus | Gnaphosidae | 237, pl. 2, f. 2 (Df) | Zelotes pullatus |
Genera
No genus found for this reference