- family: Linyphiidae
- genus: Porrhomma
- species: Porrhomma boreale (Banks, 1899)
- species: Porrhomma cambridgei Merrett, 1994
- species: Porrhomma campbelli Cambridge, 1894
- species: Porrhomma cavernicola (Keyserling, 1886)
- species: Porrhomma convexum (Westring, 1851)
- species: Porrhomma corsicum Simon, 1910
- species: Porrhomma egeria Simon, 1884
- species: Porrhomma errans (Blackwall, 1841)
- species: Porrhomma gertschi Hackman, 1954
- species: Porrhomma hakusanense Oi, 1964
- species: Porrhomma indecorum Simon, 1910
- species: Porrhomma kulczynskii Starega, 1974
- species: Porrhomma lativelum Tretzel, 1956
- species: Porrhomma macrochelis (Emerton, 1917)
- species: Porrhomma marphaense Wunderlich, 1983
- species: Porrhomma microcavense Wunderlich, 1990
- species: Porrhomma microphthalmum (O. P.-Cambridge, 1871)
- species: Porrhomma microps (Roewer, 1931)
- species: Porrhomma montanum Jackson, 1913
- species: Porrhomma myops Simon, 1884
- species: Porrhomma oblitum (O. P.-Cambridge, 1871)
- species: Porrhomma ocella Chamberlin & Ivie, 1943
- species: Porrhomma ohkawai Saito, 1977
- species: Porrhomma omissum Miller, 1971
- species: Porrhomma pallidum Jackson, 1913
- species: Porrhomma pallidum affinis Miller & Kratochvíl, 1940
- species: Porrhomma profundum Dahl, 1939
- species: Porrhomma pygmaeum (Blackwall, 1834)
- species: Porrhomma rakanum Yaginuma & Saito, 1981
- species: Porrhomma rosenhaueri (L. Koch, 1872)
- species: Porrhomma sodonta (Chamberlin, 1948)
- species: Porrhomma spipolae Caporiacco, in Bianchi et al., 1949
- species: Porrhomma terrestre (Emerton, 1882)