Middle Ordovician echinoderms from northern Illinois and southern Wisconsin
By: Dennis R. Kolata.
Series: Memoirs / the Paleontological Society -- 7.; Memoir (Paleontological Society) -- 7.
Publisher: Banta
Published: 1975
Place of publication: Tulsa, Okla
Language: eng
Number of pages: 74
Subjects: Echinodermata, Fossil.; Paleontology -- Ordovician.; Paleontology -- Illinois.; Paleontology -- Wisconsin.
Other titles: Journal of paleontology. Supplement ; v. 49, no. 3.
Notes: Issued as Journal of paleontology, v.49, no.3, suppl.

Includes bibliographical references.