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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 | USSR(Siberia) | Khalfina,L.L. Biostratigraphy of the Paleozoic of the Sayano-Altay Mining District | 1960 | |
| details | Devonian | USSR(Yakut ASSR) | Pashkevich,N.G. Coding of morphological characteristics of miospores of Devonian vegetation. | 1975 | |
| details | Carboniferous | USSR(Yakut ASSR) | Kharkiv,A.D. Recent data on the age of Kimberlite Pipes of the Doldyn-Alakit Region | 1967 | |
| original | Allegheny | Pennsylvania | Frederiksen,N.O. Sporomorphs of the Brookville Seam near Brookville, Pennsylvania. | 1961 |