The Lower Cretaceous ammonite Schloenbachia leonensis Conrad var. equidistans Cragin / by William A. Cobban.
| Uniform Title: | U.S. Geological Survey bulletin ;
1641-A. Contributions to paleontology. |
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| Main Author: | |
| Corporate Author: | |
| Language: | English |
| Published: |
[Reston, Va.] :
Department of the Interior, U.S. Geological Survey,
1985.
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| Series: | U.S. Geological Survey bulletin ;
1641-A. Contributions to paleontology. |
| Subjects: | |
| Physical Description: | iii, 4 pages : illustrations ; 28 cm. |
| Format: | Government Document Book |