Jurassic (Bathonian or early Callovian) ammonites from Alaska and Montana.
"Descriptions and illustrations of cephalopods of possible late Middel Jurassic (Bathonian) age."
| Main Author: | |
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| Format: | Government Document Book |
| Language: | English |
| Published: |
Washington :
U.S. Govt. Print. Off,
1962.
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| Series: | Shorter contributions to general geology.
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| Subjects: |
| Summary: | "Descriptions and illustrations of cephalopods of possible late Middel Jurassic (Bathonian) age." |
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| Item Description: | Includes index. |
| Physical Description: | 32 pages : illustrations, maps. ; 29 cm. |
| Bibliography: | Bibliography: pages 28-29. |