Molluscan fauna of the Morrison Formation /

Bibliographic Details
Main Author:	Yen, Teng-Chien
Corporate Author:	Geological Survey (U.S.)
Format:	Government Document Book
Language:	English
Published:	Washington : U.S. Govt. Print. Off, 1952.
Series:	Geological Survey professional paper ; 233-B. Shorter contributions to general geology ; 1950.
Subjects:	Bivalves, Fossil. Gastropoda, Fossil. Paleontology > Jurassic. Jurassic Geologic Period. Paleontology. From 140 to 190 million years ago

Description
Physical Description:	iii, pages 21-51 : illustrations ; 29 cm.
Bibliography:	Includes bibliographical references and index.