The disputed structures of the Mesonacidae and their significance
By: by Gordon K. Bell, Jr
Series: American Museum novitates -- no. 475; American Museum novitates -- no. 475.
Publisher: The American Museum of Natural History
Published: 1931
Place of publication: New York City
Language: eng
Number of pages: 23
Subjects: Mesonacidae; Anatomy; Trilobites; Paleontology
Other titles: Disputed structures of Mesonacidae
Notes: Title from caption.

"May 22, 1931."

Includes bibliographical references (p. 22-23).