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Geolocation
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Author - title
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Year
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| details | Cenomanian | Arizona | Canright,J.E. et al. Biostratigraphy of some Cretaceous microfloras from Arizona. | 1979 | |
| 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 | |
| details | Late Cretaceous | Arizona | Romans,R.C. Palynology of some Upper Cretaceous Coals of Black Mesa, Arizona | 1975 |