Requested reference
Selden, P. A. & Penney, D. (2010). Fossil spiders. Biological Reviews 85(1): 171-206. doi:10.1111/j.1469-185X.2009.00099.x 
-- Show included taxa
Selden, P. A. & Penney, D. (2010). Fossil spiders. Biological Reviews 85(1): 171-206. doi:10.1111/j.1469-185X.2009.00099.x -- Show included taxa