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Geolocation
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Author - title
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Year
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| details | Rhaetian | USSR(Komi ASSR) | Varyukhina,L.M. Spores and pollen of Triassic deposites of the Southern Pechora Basin. | 1961 | |
| details | Nd | Nd | Ishchenko,A.M. Spores and pollen of Lower Carboniferous deposits of the Western extension of the Donetz Basin and their values for stratigraphy. | 1956 |