Some peculiar spiral fossil forms from California and Mexico
By: by Wendell C. Mansfield
Publisher: Smithsonian Institution, United States National Museum
Published: 1930
Place of publication: Washington, D.C
Language: eng
Subjects: Paleontology -- California; Paleontology -- Mexico
Other titles: Proceedings of the United States National Museum. v. 77, art. 13
Notes: "No. 2836.- From the Proceedings of the United States National Museum, Vol. 77, Art. 13, pp. 1-3, pls. 1, 2."

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