Spirembolus

Spirembolus is a genus of North American sheet weavers that was first described by Ralph Vary Chamberlin in 1920.

==Species== it contains forty-one species, found in Mexico, Canada, and the United States: Spirembolus abnormis Millidge, 1980 – USA, Canada Spirembolus approximatus (Chamberlin, 1949) – USA Spirembolus bilobatus (Chamberlin & Ivie, 1945) – USA Spirembolus cheronus Chamberlin, 1949 – USA Spirembolus chilkatensis (Chamberlin & Ivie, 1947) – USA Spirembolus demonologicus (Crosby, 1925) – USA Spirembolus dispar Millidge, 1980 – USA Spirembolus elevatus Millidge, 1980 – USA Spirembolus erratus Millidge, 1980 – USA Spirembolus falcatus Millidge, 1980 – USA Spirembolus fasciatus (Banks, 1904) – USA Spirembolus fuscus Millidge, 1980 – USA Spirembolus hibernus Millidge, 1980 – USA Spirembolus humilis Millidge, 1980 – USA Spirembolus latebricola Millidge, 1980 – USA Spirembolus levis Millidge, 1980 – USA, Mexico Spirembolus maderus Chamberlin, 1949 – USA Spirembolus mendax Millidge, 1980 – USA Spirembolus mirus Millidge, 1980 – USA Spirembolus monicus (Chamberlin, 1949) – USA Spirembolus monticolens (Chamberlin, 1919) (type) – USA, Canada Spirembolus montivagus Millidge, 1980 – USA Spirembolus mundus Chamberlin & Ivie, 1933 – USA, Canada Spirembolus novellus Millidge, 1980 – USA Spirembolus oreinoides Chamberlin, 1949 – USA, Canada Spirembolus pachygnathus Chamberlin & Ivie, 1935 – USA Spirembolus pallidus Chamberlin & Ivie, 1935 – USA Spirembolus perjucundus Crosby, 1925 – USA Spirembolus phylax Chamberlin & Ivie, 1935 – USA Spirembolus praelongus Millidge, 1980 – USA Spirembolus prominens Millidge, 1980 – USA, Canada Spirembolus proximus Millidge, 1980 – USA Spirembolus pusillus Millidge, 1980 – USA Spirembolus redondo (Chamberlin & Ivie, 1945) – USA Spirembolus spirotubus (Banks, 1895) – USA, Canada Spirembolus synopticus Crosby, 1925 – USA Spirembolus tiogensis Millidge, 1980 – USA Spirembolus tortuosus (Crosby, 1925) – USA Spirembolus vallicolens Chamberlin, 1920 – USA Spirembolus venustus Millidge, 1980 – USA Spirembolus whitneyanus Chamberlin & Ivie, 1935 – USA