Requested reference
Lawrence, R. F. (1965). New and little known Arachnida from the Namib desert, S.W. Africa. Scientific Papers of the Namib Desert Research Station 27: 1-12. 
-- Show included taxa
Lawrence, R. F. (1965). New and little known Arachnida from the Namib desert, S.W. Africa. Scientific Papers of the Namib Desert Research Station 27: 1-12. -- Show included taxa