A Lower Eocene frigatebird from the Green River formation of Wyoming (Pelecaniformes : Fregatidae) /
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| Main Author: | |
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| Format: | Government Document Book |
| Language: | English |
| Published: |
Washington :
Smithsonian Institution Press,
1977.
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| Series: | Smithsonian contributions to paleobiology
no. 35. |
| Subjects: |