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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 | Maastrichtian | Canada(Alberta) | Srivastava,S.K. Assorted angiosperm pollen from the Edmonton Formation, (Maestrichtian), Alberta, Canada. | 1969 | |
| details | Early Tertiary | USSR(Siberia) | Krutzsch,W. On the recognition of Pre-Quaternary Periporate pollenforms | 1966 |