Silicified trilobites from the Devonian Jeffersonville limestone at the falls of the Ohio.
Series: Contributions from the Museum of Paleontology, University of Michigan,; v. 19, no. 1
Publisher: Museum of Paleontology, University of Michigan
Published: 1964
Place of publication: Ann Arbor
Language: eng
Number of pages: 14
Subjects: Trilobites; Paleontology -- Devonian; Paleontology -- Ohio River Valley
Notes: Bibliography: p. 11.