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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 | Late Cenomanian | Canada(Alberta) | Singh,C. Stratigraphic significance of Early angiosperm pollen in the Mid-Cretaceous strata of Alberta. | 1975 | |
| details | Late Cretaceous | Arizona | Romans,R.C. Palynology of some Upper Cretaceous Coals of Black Mesa, Arizona | 1975 | |
| original | Cenomanian | Arizona | Agasie,J.M. Late Cretaceous palynomorphs from northeastern Arizona. | 1969 | |
| details | Late Cretaceous | Arizona | Romans,R.C. Palynology of some Upper Cretaceous Coals of Black Mesa, Arizona | 1969 |