Perotrilites sp. Lamm.,1969
- Citations total:
- 2
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| original | Campanian | Maastrichtian | Kansas | Lammons,J.M. The palynology and paleoecology of the Pierre Shale, (Campanian - Maestrichtian), of northwestern Kansas and Environs. | 1969 |
| original | Late Cretaceous | Colorado | Gies,T.F. Palynology of sediments boardering some Upper Cretaceous strand lines in Northwestern Colorado. | 1972 |