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Geolocation
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Author - title
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Year
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| details | Early Callovian | USSR(Taymyr Nat.Okrug) | Kara-Murza,E.N. Palynological basis of stratigraphical subdivision of the Mesozoic deposits of the Khatanga Depression. | 1960 | |
| original | Middle Cretaceous | Late Cretaceous | USSR(Siberia) | Bolkhovitina,N.A. Atlas of spores and pollen from Jurassic and Lower Cretaceous deposits of the Vilyuysk Basin. | 1956 |