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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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| details | Devonian | Worldwide | Pashkevich,N.G. Coding tables for diagnostic miospores of Devonian vegetation. | 1978 | |
| details | Frasnian | USSR(Latvian SSR) | Ozolina,V.R. The spore-pollen Spectrum of Frasnian Stage deposits in the Alanda borehole. | 1961 |