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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 | Late Atokan | Late Desmoinesian | Texas | Gupta,S. Miofloral succession and interpretation of the Base of the Permian system in the eastern Shelf of North Central Texas, USA. | 1977 |
| details | Devonian | Middle Pennsylvanian | China | Gao,L. Devonian and Carboniferous spores. (In: Palaeontological Atlas of Southwest China, Volume of Microfossils. Edited by Chengdu Institute of Geology and Mineral Resources.) | 1983 |