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Author - title
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Year
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| details | Aptian | Albian | USSR(Yakut ASSR) | Lyubomirova,K.A. et al. Results of palynological studies of Lower Cretaceous deposits in the northern part of the Leno-Anabar Trough. (In: Palynological Investigations of Paleozoic and Mesozoic deposits of Northern USSR and Caspian Sea Region. N.A. Timoshina, editor) | 1985 |
| details | Nd | Nd | Shang,Y.-K. Spores and pollen grains from the Shitouhezi Formation of Hegan Basin | 1994 |