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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 | Oligocene | USSR(Caucasus) | Chiguryaeva,A.A. Contributions to the Oligocene flora of the Maykop Formation, Caucasus (spores and pollen). | 1951 | |
| details | Late Pliocene | W.Germany(Hesse) | Leschik,G. Microbotanic stratigraphic studies of the Upper Pliocene Browncoal from Buchenau (Hunfeld County). | 1951 | |
| original | Miocene | Poland | Kremp,G.O.W. Pollen analysis of the Miocene Brown Coal Bed of Konin on the Warthe River. | 1949 | |
| details | Tertiary | W.Germany | Kirchheimer,F. Corrosion of the pollen | 1935 |