| 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 | Albian | Canada(Alberta) | Vagvolgyi,A.B. Palynology of type McMurray Formation. | 1964 | |
| details | Early Cretaceous | Maryland | Brenner,G.J. The spores and pollen of the Potomac Group of Maryland | 1963 | |
| details | Valanginian | Barremian | England(Isle of Wight) | Brenner,G.J. The spores and pollen of the Potomac Group of Maryland | 1963 |
| original | Neocomian | Albian | Maryland | Brenner,G.J. The spores and pollen of the Potomac Group of Maryland | 1962 |