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Author - title
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Year
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| details | Nd | Nd | Verbitskaya,Z.I. Stratigraphical subdivision of Cretaceous sediments of Suchan Coal Basin based on palynology. | 1962 | |
| details | Cretaceous | Japan(Hokkaido I.) | Tokunaga,S. et al. A study of Mesozoic pollen and spores in eastern Japan Part 1. The Choshi, Oarai and Futaba Districts. | 1972 |