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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 | Aptian | USSR(Omskaya Oblast) | Malyavkina,V.S. Determination key of spores and pollen, Jurassic-Cretaceous | 1949 | |
| original | Albian | USSR(Ukrainian SSR) | Malyavkina,V.S. Determination key of spores and pollen, Jurassic-Cretaceous | 1949 | |
| original | Albian | Cenomanian | USSR(Urals) | Malyavkina,V.S. Determination key of spores and pollen, Jurassic-Cretaceous | 1949 |
| original | Early Cretaceous | USSR(Omskaya Oblast) | Malyavkina,V.S. Determination key of spores and pollen, Jurassic-Cretaceous | 1949 |