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Author - title
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Year
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| details | Early Cretaceous | USSR(Irkutskaya Oblast) | Kotova,I.Z. Age of the Continental deposits of the Lake Gusinoe Basin and the Peculiarities of the composition of the Early Cetaceous floras of the Transbaikal | 1964 | |
| details | Aptian | USSR(Primorsk Kray) | Verbitskaya,Z.I. Stratigraphical subdivision of Cretaceous sediments of Suchan Coal Basin based on palynology. | 1962 | |
| details | Hauterivian | Late Cretaceous | USSR(Koryak Okrug) | Verbitskaya,Z.I. The spore-pollen complexes in Cretaceous deposits of the Suchan Coal Basin. | 1958 |