- family: Linyphiidae
- genus: Disembolus
- genus: Scotinotylus
- genus: Spirembolus
- species: Spirembolus bilobatus (Chamberlin & Ivie, 1945)
- species: Spirembolus humilis Millidge, 1980
- species: Spirembolus monticolens (Chamberlin, 1919)
- species: Spirembolus mundus Chamberlin & Ivie, 1933
- species: Spirembolus pachygnathus Chamberlin & Ivie, 1935
- species: Spirembolus pallidus Chamberlin & Ivie, 1935
- species: Spirembolus phylax Chamberlin & Ivie, 1935
- species: Spirembolus redondo (Chamberlin & Ivie, 1945)
- species: Spirembolus spirotubus (Banks, 1895)
- species: Spirembolus synopticus Crosby, in Chamberlin, 1925
- species: Spirembolus vallicolens Chamberlin, 1920
- species: Spirembolus whitneyanus Chamberlin & Ivie, 1935