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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 | Early Permian | India(Bihar) | Tiwari,R.S. et al. Marker assemblage-zones of spores and pollen species through Gondwana Palaeozoic and Mesozoic sequence in India. | 1992 | |
| details | Sakmarian | Iran | Ghavidel-Syooki,M. Biostratigraphy and paleo-biogeography of some Paleozoic rocks at Zagros and Alborz Mountains. | 1994 | |
| details | Early Permian | India(Orissa) | Tripathi,A. Palynostratigraphy and palynofacies analysis of subsurface Permian sediments in Talcher Coalfield, Orissa. | 1998 |