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Some Cretaceous echinoids from the Americas /

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Bibliographic Details
Main Author: Cooke, C. Wythe (Charles Wythe), 1887-1971
Format: Government Document Book
Language:English
Published: Washington : U.S. Govt. Print. Off, 1955.
Series:Shorter contributions to general geology.
Geological Survey professional paper ; 264-E.
Subjects:
Sea urchins, Fossil > South America.
Sea urchins, Fossil > United States.
Paleontology > Cretaceous.
Paleontology > South America.
Paleontology > United States.
Description
Physical Description:iii, 87-112 pages, 25 unnumbered pages : illustrations ; 29 cm.
Bibliography:Bibliography: pages 109-110.