| 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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| original | Late Jurassic | Early Cretaceous | USSR(Siberia) | Bolkhovitina,N.A. Atlas of spores and pollen from Jurassic and Lower Cretaceous deposits of the Vilyuysk Basin. | 1956 |
| details | Valanginian | Valanginian | USSR(Sverdlovskaya) | Kara-Murza,E.N. Spores and pollen of Mesozoic deposits of the northern Eniseydk Lensk Region. | 1954 |