Requested reference
Saito, H. (1977b). A new spider of the genus Porrhomma (Araneae: Linyphiidae) from caves of Tochigi Prefecture, Japan. Acta Arachnologica 27(2): 48-52. doi:10.2476/asjaa.27.48 
-- Show included taxa
Saito, H. (1977b). A new spider of the genus Porrhomma (Araneae: Linyphiidae) from caves of Tochigi Prefecture, Japan. Acta Arachnologica 27(2): 48-52. doi:10.2476/asjaa.27.48 -- Show included taxa