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Geolocation
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Author - title
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Year
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| details | Artinskian | Canada(NWT,Franklin) | Barss,M.S. Carboniferous and Permian spores of Canada. | 1967 | |
| details | Artinskian | USSR(European) | Hart,G.F. Palynology of the Permian Period. (In: Aspects of Palynology. R.H. Tschudy and R.A. Scott, editors) | 1969 |