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Geolocation
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Author - title
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Year
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| details | Callovian | Oxfordian | USSR(Siberia) | Ilyina,V.I. Jurassic palynology of Siberia | 1985 |
| details | Jurassic | Nd | Gocht,H. Correlation of overlapping system and growth in fossil dinoflagellates, (Gonyaulax Group). | 1979 |