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From
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To
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Geolocation
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Author - title
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Year
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| original | Devonian | USSR(Bashkir ASSR) | Chibrikova,E.V. Spores from Devonian and older deposits of Bashkir | 1959 | |
| original | Early Devonian | Early Givetian | USSR(Bashkir ASSR) | Chibrikova,E.V. Spores from the Takata Beds of the Western Bashkir Autonomous Soviet Socialist Republic. | 1957 |