Cambrian and lower ozarkian trilobites
By: by Charles D. Walcott.
Series: Smithsonian miscellaneous collections -- v. 75, no. 2; Cambrian geology and paleontology -- v. 5, no. 2; Publication -- 2788; Publication (Smithsonian Institution) -- 2788.
Publisher: Smithsonian Institution
Published: 1924
Place of publication: Washington
Language: eng
Number of pages: 60
Subjects: Trilobites.; Paleontology -- Cambrian.