Scaphitoid cephalopods of the Colorado group. Evolution of Scaphites and related genera, with descriptions and illustrations of new species and a new genus from western interior United States.
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| Author / Creator: | Cobban, William Aubrey, 1916- |
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| Imprint: | Washington, U.S. Govt. Print. Off., 1951. |
| Description: | iii, 42 p. illus., 21 plates. 29 cm. |
| Language: | English |
| Series: | Geological Survey professional paper 239 Geological Survey professional paper. 239. |
| Subject: | |
| Format: | U.S. Federal Government Document Print Book |
| URL for this record: | http://pi.lib.uchicago.edu/1001/cat/bib/4049017 |
