Requested reference
Ubick, D. & Vetter, R. S. (2005). A new species of Apostenus from California, with notes on the genus (Araneae, Liocranidae). Journal of Arachnology 33: 63-75. 
-- Show included taxa
Ubick, D. & Vetter, R. S. (2005). A new species of Apostenus from California, with notes on the genus (Araneae, Liocranidae). Journal of Arachnology 33: 63-75. -- Show included taxa