Included taxa
Emerton, J. H. (1877). Descriptions of two new spiders from Colorado. Bulletin of the U. S. Geological Survey 3: 528-529. 
Species
| Species | Family | Page / figures | published as |
|---|---|---|---|
| Aculepeira packardi | Araneidae | 528 (Df; preoccupied by Latreille, 1806) | Epeira aculeata |
| Orodrassus coloradensis | Gnaphosidae | 528 (Dmf) | Drassus coloradensis |
Genera
No genus found for this reference