- family: Linyphiidae
![[see contained taxa]](./arrow.png)
- genus: Tachygyna
- species: Tachygyna alia Millidge, 1984
- species: Tachygyna cognata Millidge, 1984
- species: Tachygyna coosi Millidge, 1984
- species: Tachygyna delecta Chamberlin & Ivie, 1939
- species: Tachygyna exilis Millidge, 1984
- species: Tachygyna gargopa (Crosby & Bishop, 1929)
- species: Tachygyna haydeni Chamberlin & Ivie, 1939
- species: Tachygyna pallida Chamberlin & Ivie, 1939
- species: Tachygyna proba Millidge, 1984
- species: Tachygyna sonoma Millidge, 1984
- species: Tachygyna speciosa Millidge, 1984
- species: Tachygyna tuoba (Chamberlin & Ivie, 1933)
- species: Tachygyna ursina (Bishop & Crosby, 1938)
- species: Tachygyna vancouverana Chamberlin & Ivie, 1939
- species: Tachygyna watona Chamberlin, 1948
