link
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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 | Permian | USSR(Siberia) | Odintsova,M.M. et al. On the age of the Almazon Layers of the southern slope of the Anabarsk Anticline. | 1969 | |
details | Early Carboniferous | USSR(Siberia) | Pashkevich,N.G. et al. Miospores of Upper Paleozoic plants of Central Siberia. | 1978 | |
details | Early Carboniferous | Spitsbergen | Playford,G. Lower Carboniferous microfloras of Spitsbergen (Part one) | 1962 | |
details | Morrowan | Desmoinesian | Iowa | Ravn,R.L. Palynostratigraphy of the Lower and Middle Pennsylvanian Coals of Iowa | 1986 |