Two new species of trilobites from the Middle Devonian silica shale of northwestern Ohio
By: by Erwin C. Stumm..
Series: Contributions from the Museum of Paleontology, University of Michigan,; v. 19, no. 13
Publisher: Museum of Paleontology, University of Michigan
Published: 1965
Place of publication: Ann Arbor
Language: eng
Number of pages: 166
Subjects: Trilobites.; Paleontology -- Devonian.; Paleontology -- Ohio.
Notes: Bibliography : p. 165.