Crinoidea Miller, 1821
Adacrinus Pabian & Strimple, 1985
Aesiocrinus Miller & Gurley, 1890
Elassocrinus Webster & Lane, 2007
Lecobasicrinus Strimple & Watkins, 1969
Moundocrinus Strimple, 1939
Oklahomacrinus Moore, 1939
Paracymbiocrinus Burdick & Strimple, 1973
Polusocrinus Strimple, 1951