| link
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From
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To
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Geolocation
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Author - title
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Year
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|---|---|---|---|---|---|
| details | Campanian | USA(Rocky Mountains) | Nichols,D.J. et al. Cretaceous palynomorph biozones for the Central and northern Rocky Mountain Region of the United States. | 1982 | |
| original | Campanian | Colorado | Newman,K.R. Upper Cretaceous-Paleocene guide palynomorphs from Northwestern Colorado. | 1965 | |
| details | Campanian | Maastrichtian | Kansas | Lammons,J.M. The palynology and paleoecology of the Pierre Shale, (Campanian - Maestrichtian), of northwestern Kansas and Environs. | 1969 |