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Geolocation
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Author - title
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Year
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| details | Late Valanginian | Hauterivian | USSR(Taymyr Nat.Okrug) | Kara-Murza,E.N. Some data on the composition of spore-pollen complexes of the marine Lower Cretaceous of the Nordvik Region. | 1958 |
| original | Early Jurassic | Middle Jurassic | USSR(Siberia) | Bolkhovitina,N.A. Atlas of spores and pollen from Jurassic and Lower Cretaceous deposits of the Vilyuysk Basin. | 1956 |