Full reference: S. H. Scudder. 1890. The Tertiary Insects of North America. Report of the United States Geological Survey of the Territories XIII:1-734
Sister taxon: Clubiona latebrosa
Type specimen: 2831, an exoskeleton. Its type locality is Florissant (USGS collection), which is in an Eocene lacustrine - large shale/volcaniclastic in the Florissant Formation of Colorado.