Requested reference
Helsdingen, P. J. van (1970). A reclassification of the species of Linyphia based on the functioning of the genitalia (Araneida, Linyphiidae), II. Zoologische Verhandelingen 111: 1-86. 
-- Show included taxa
Helsdingen, P. J. van (1970). A reclassification of the species of Linyphia based on the functioning of the genitalia (Araneida, Linyphiidae), II. Zoologische Verhandelingen 111: 1-86. -- Show included taxa