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Geolocation
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Author - title
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Year
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| details | Nd | Nd | Potonie,R. Synopsis of the genera of the sporae dispersae. Part 1 | 1956 | |
| details | Permian | USSR(Ukrainian SSR) | Inosova,K.I. et al. Pollen and spores of the Permian of the Don Basin | 1955 | |
| details | Nd | Nd | Pant,D.D. Suggestions for the classification and nomenclature of fossil spores and pollen grains | 1954 | |
| details | Nd | Nd | Naumova,S.N. Spores and pollen of coals of the USSR. | 1939 |