Index fossils of North America
Subtitle: a new work based on the complete revision and reillustration of Grabau and Shimer's "North American index fossils," by Hervey Woodburn Shimer and Robert Rakes Shrock.
Contributors: Shrock, Robert Rakes, 1904- jt. author; Grabau, Amadeus W. 1870-1946.
Publisher: M.I.T. Press
Published: 1963
Place of publication: Cambridge, Mass
Language: eng
Number of pages: 837
Subjects: Paleontology -- North America.; Invertebrates, Fossil.
Notes: Includes bibliography.