American Silurian crinoids
By: by Frank Springer.
Contributors: Smithsonian Institution.
Publisher: The Smithsonian institution
Published: 1926
Place of publication: City of Washington
Language: eng
Number of pages: 239
Subjects: Crinoidea, Fossil.; Paleontology -- Silurian.
Notes: At head of title: Smithsonian institution.

"Publication 2871."

Bibliography: p. 146-152.