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Author - title
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| details | Late Cretaceous | USSR(WSL) | Chlonova,A.F. Some morphological types of spores and pollen grains from Upper Cretaceous of eastern part of West Siberian Lowland. | 1962 | |
| original | Maastrichtian | USSR(WSL) | Chlonova,A.F. Spores and pollen of the upper half of the Upper Cretaceous of the eastern part of the Western Siberian Lowland. | 1961 |