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Geolocation
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Author - title
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Year
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| details | Early Jurassic | USSR(Kazakh SSR) | Ritenberg,M.I. et al. Lower Mesozoic coal accumulation in the Territory of the Maikiubensk Basin. (In: History of Lower Mesozoic Coal Accumulation in Kazakhstan: Part 1.) | 1961 | |
| details | Middle Jurassic | Early Cretaceous | USSR(Siberia) | Bolkhovitina,N.A. Atlas of spores and pollen from Jurassic and Lower Cretaceous deposits of the Vilyuysk Basin. | 1956 |