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Geolocation
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Author - title
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Year
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| details | Cenomanian | Wyoming | Griesbach,F.R. Preliminary palynology of the Lower Frontier Formation, southwestern Wyoming. | 1956 | |
| details | Paleocene | Wyoming | Kremp,G.O.W. Report of referred fossils.2. | 1960 | |
| details | Albian | Cenomanian | Yugoslavia | Ercegovac,M.D. Organic matter and degree of its thermal change in Mokranja Flysch, (Timocka Krajina). | 1981 |