The ammonite Metengonoceras Hyatt, 1903, from the Mowry Shale (Cretaceous) of Montana and Wyoming
Pseudoceratitic ammonites of the family Engonoceratidae are locally common in the Mowry Shale in the central and northern parts of the Western Interior of the United States. Most occurrences are of crushed, specifically indeterminate specimens, but occasional collections from concretions have well-p...
| Κύριοι συγγραφείς: | , |
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| Μορφή: | Journal article |
| Γλώσσα: | English |
| Έκδοση: |
1989
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