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Geolocation
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Author - title
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Year
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| original | Tertiary | USSR(Caucasus) | Gladkova,A.N. Flora of Maikop deposits of northern Caucasus from data of spore-pollen analysis. (In: Palaeobotanical Symposium) | 1953 | |
| original | Hauterivian | Barremian | USSR(WSL) | Koltsova,T.T. et al. Description of spores and pollen in Lower Cretaceous deposits of the Western Siberian Lowland. (In: Atlas of Lower Cretaceous spore-pollen complexes of some regions of USSR. I.M.Pokyovsksys and N.K.Stel'mak, editors) | 1964 |