New records of the ammonite subfamily Texanitinae in Campanian (Upper Cretaceous) rocks in the Western Interior of the United States
All known members of the stratigraphically important and cosmopolitan ammonite subfamily Texanitinae are documented from the Campanian rocks of the Western Interior of the United States for the first time. Submortoniceras tequesquitense Young, 1963, occurs in the upper part of the Mancos Shale in Sa...
| Main Authors: | , |
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| Formato: | Journal article |
| Idioma: | English |
| Publicado: |
1991
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