Requested reference
Heiss, J. S. & Allen, R. T. (1986). The Gnaphosidae of Arkansas. Bulletin, Agricultural Experiment Station, University of Arkansas 885: 1-67. 
-- Show included taxa
Heiss, J. S. & Allen, R. T. (1986). The Gnaphosidae of Arkansas. Bulletin, Agricultural Experiment Station, University of Arkansas 885: 1-67. -- Show included taxa