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Author - title
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details | Early Carboniferous | Spitsbergen | Dibner,A.F. The stratigraphy of Anthracite Deposits of Spitsbergen from palynoligic data. (In: Geology of the Sedimentary Mantle of the Spitsbergen Archipelago. A.A.Krasilshchikov and M.N.Mitzaur, editors) | 1986 | |
details | Late Visean | Alaska | Ravn,R.L. Miospores of the Kekiktuk Formation (Lower Carboniferous), Endicott Field Area, Alaska North Slope. | 1991 |