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From
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Geolocation
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Author - title
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Year
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| details | Early Jurassic | USSR(Kazakh SSR) | Vorontsov,V.V. et al. Age of Jurassic Red Beds of the Karaganda Basin. | 1973 | |
| details | Maestrichtian | USSR(WSL) | Pokrovskaya,I.M. Upper Cretaceous spore-pollen complexes of the Western Siberian Lowlands. (In: Atlas of Upper Cretaceous, Paleocene and Eocene spore-pollen complexes of various Regions of the USSR) | 1960 | |
| details | Nd | Nd | Pant,D.D. Suggestions for the classification and nomenclature of fossil spores and pollen grains | 1954 |