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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 | Cenomanian | Spain | M©dus,J. First contribution to the stratigraphic palynology of the Upper Cretaceous of southeastern France and northeastern Spain. | 1970 | |
| details | Albian | Oklahoma | Hedlund,R.W. et al. Spores and pollen grains from Fredericksburgian, (Albian), Strata, Marshall County, Oklahoma. | 1968 | |
| original | Cenomanian | Oklahoma | Hedlund,R.W. Palynology of the Red Branch Member of the Woodbine Formation, (Cenomanian), Bryan County, Oklahoma. | 1966 |