A supposed jellyfish from the Pre-Cambrian of the Grand Canyon
By: by R.S. Bassler
Publisher: Smithsonian Institution, U.S. National Museum
Published: 1941
Place of publication: Washington
Language: eng
Number of pages: 522
Subjects: Fossil Jellyfishes
Other titles: Proceedings of the United States National Museum. v. 90, p. 519-522.; Proceedings of the United States National Museum. no. 3104.
Notes: Includes bibliographical references.