Requested reference
Schult, J. (1983b). Simple bulbs in male spiders - primitive or derived? (Arachnida: Araneae). Verhandlungen des Naturwissenschaftlichen Vereins in Hamburg (NF) 26: 155-160. 
-- Show included taxa
Schult, J. (1983b). Simple bulbs in male spiders - primitive or derived? (Arachnida: Araneae). Verhandlungen des Naturwissenschaftlichen Vereins in Hamburg (NF) 26: 155-160. -- Show included taxa