Requested reference
Kraus, O. (1984). Male spider genitalia: Evolutionary changes in structure and function. Verhandlungen des Naturwissenschaftlichen Vereins in Hamburg (NF) 27: 373-382. 
-- Show included taxa
Kraus, O. (1984). Male spider genitalia: Evolutionary changes in structure and function. Verhandlungen des Naturwissenschaftlichen Vereins in Hamburg (NF) 27: 373-382. -- Show included taxa