Requested reference
Opell, B. D. & Beatty, J. A. (1976). The Nearctic Hahniidae (Arachnida: Araneae). Bulletin of the Museum of Comparative Zoology 147: 393-433. 
-- Show included taxa
Opell, B. D. & Beatty, J. A. (1976). The Nearctic Hahniidae (Arachnida: Araneae). Bulletin of the Museum of Comparative Zoology 147: 393-433. -- Show included taxa