Catalog of the type specimens of invertebrate fossils
By: by Louis R. Purnell. Part 1, Paleozoic cephalopoda.
Contributors: Purnell, Louis R.
Series: Bulletin -- 262; Bulletin (United States National Museum) -- 262.
Publisher: Smithsonian Institution
Published: 1968
Place of publication: Washington, D.C
Language: eng
Number of pages: 198