Catalogue of type and referred specimens of Crinozoa (Cystoidea) in Field Museum of Natural History /

by Golden, Julia
Published 1974

Revision of the Caradocian-Ashgillian cystoid fauna of Belgium : with notes on isolated pelmatozoan stem fragments.

by Regnéll, Gerhard, 1915-
Published 1951

Key for classification of cystoids.

by Kesling, Robert V. (Robert Vernon), 1917-2005
Published 1963

Cystoids from the Trenton rocks of Michigan /

by Hussey, Russell C. (Russell Claudius), 1888-
Published 1928

Growth in two populations of the crinoid Eucalyptocrinites crassus /

by Kesling, Robert Vernon
Published 1973