The Lower Ordovician gastropod Ceratopea / by Ellis L. Yochelson and Josiah Bridge.
"Ceratopea Ulrich is redescribed from both operculum and shell.
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| Main Authors: | , |
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| Corporate Author: | |
| Format: | Government Document Book |
| Language: | English |
| Published: |
Washington :
U.S. Govt. Print. Off,
1957.
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| Series: | Shorter contributions to general geology ;
1957. Geological Survey professional paper ; 294-H. |
| Subjects: |
| Summary: | "Ceratopea Ulrich is redescribed from both operculum and shell. |
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| Item Description: | Includes index. |
| Physical Description: | iii, 281-304 pages, 9 unnumbered pages : illustrations ; 29 cm. |
| Bibliography: | Bibliography: pages 301-302. |