Tachygyna

Tachygyna is a genus of North American sheet weavers that was first described by Ralph Vary Chamberlin & Vaine Wilton Ivie in 1939.

Species
it contains fifteen species, all found in North America:
 * Tachygyna alia Millidge, 1984
 * Tachygyna cognata Millidge, 1984
 * Tachygyna coosi Millidge, 1984
 * Tachygyna delecta Chamberlin & Ivie, 1939
 * Tachygyna exilis Millidge, 1984
 * Tachygyna gargopa (Crosby & Bishop, 1929)
 * Tachygyna haydeni Chamberlin & Ivie, 1939
 * Tachygyna pallida Chamberlin & Ivie, 1939
 * Tachygyna proba Millidge, 1984
 * Tachygyna sonoma Millidge, 1984
 * Tachygyna speciosa Millidge, 1984
 * Tachygyna tuoba (Chamberlin & Ivie, 1933)
 * Tachygyna ursina (Bishop & Crosby, 1938)
 * Tachygyna vancouverana Chamberlin & Ivie, 1939 (type)
 * Tachygyna watona Chamberlin, 1949