- family: Linyphiidae
- genus: Micrargus
- species: Micrargus aleuticus Holm, 1960
- species: Micrargus alpinus Relys & Weiss, 1997
- species: Micrargus apertus (O. P.-Cambridge, 1871)
- species: Micrargus cavernicola Wunderlich, 1995
- species: Micrargus cupidon (Simon, 1913)
- species: Micrargus dilutus (Denis, 1948)
- species: Micrargus dissimilis Denis, 1950
- species: Micrargus georgescuae Millidge, 1976
- species: Micrargus herbigradus (Blackwall, 1854)
- species: Micrargus hokkaidoensis Wunderlich, 1995
- species: Micrargus incomtus (O. P.-Cambridge, 1872)
- species: Micrargus laudatus (O. P.-Cambridge, 1881)
- species: Micrargus nibeoventris (Komatsu, 1942)
- species: Micrargus pervicax (Denis, 1947)
- species: Micrargus subaequalis (Westring, 1851)