Crinoidea Miller, 1821
Actinodiscus Smith & Paul, 1982
Apycnodiscus Smith & Paul, 1982
Cyclocystoides Billings & Salter, 1858
Diastocycloides Smith & Paul, 1982
Narrawayella Foerste, 1920
Nicholsodiscus Glass, Ausich & Copper, 2003
Polytryphocycloides Smith & Paul, 1982
Sievertsia Smith & Paul, 1982
Zygocycloides Smith & Paul, 1982