Cambrian and ozarkian trilobites
By: by Charles D. Walcott.
Series: Smithsonian miscellaneous collections -- v. 75, no. 3; Cambrian geology and paleontology -- v. 5, no. 3; Publication -- 2823; Publication (Smithsonian Institution) -- 2823.
Publisher: Smithsonian Institution
Published: 1925
Place of publication: Washington
Language: eng
Number of pages: 146
Subjects: Trilobites.; Paleontology -- Cambrian.