Title: Checklist of the invertebrate fossils of North America. Eocene and Oligocene.
Authors: Conrad, T. A. 1803-1877.
Publisher: Smithsonian Institution,
Year: 1866
Subjects: Invertebrates, Fossil.; Paleontology North America; Paleontology; Paleontology
Contents: Eocene. Lower and medial Eocene (Shark River and Claiborne groups) ; Shell Bluff group ; Upper Eocene, or Jackson Group -- Oligocene.