Some Cretaceous echinoids from the Americas /
| Main Author: | |
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| Format: | Government Document eBook |
| Language: | English |
| Published: |
Washington :
United States Department of the Interior, Geological Survey,
1955.
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| Series: | Geological Survey professional paper ;
264-E. Shorter contributions to general geology. |
| Subjects: | |
| Online Access: | https://purl.fdlp.gov/GPO/gpo86053 |
| Item Description: | Title from title screen (viewed September 26, 2014). "Descriptions and illustrations of some Lower and Upper Cretaceous echinoids from Columbia, Ecuador, Mexico, and the United States." |
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| Physical Description: | 1 online resource (30 unnumbered pages, 12 unnumbered pages of plates) : illustrations. |
| Bibliography: | Includes bibliographical references (pages 109-110) and index. |