New Cretaceous brachiopoda from Arizona
By: by G. Arthur Cooper.
Series: Smithsonian miscellaneous collections -- v. 131, no. 4; Publication -- 4227; Publication (Smithsonian Institution) -- 4227.
Publisher: Smithsonian Institution
Published: 1955
Place of publication: Washington
Language: eng
Number of pages: 18
Subjects: Brachiopoda, Fossil.; Paleontology -- Cretaceous.; Paleontology -- Arizona.
Notes: At head of title: Charles D. and Mary Vaux Walcott Research Fund.

Bibliography: p. 14-15.