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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 Oligocene | Alaska | Marincovich,L.,Jr. et al. Oligocene age of strata on Unga Island, Shumagin Islands, Southwestern Alaska. (In: Geologic Studies in Alaska by the United States Geological Survey. J.H. and J.P.Galloway, editors) | 1991 | |
| details | Sluijs,A. et al. From greenhouse to icehouse; organic-walled dinoflagellate cysts as paleoenvironmental indicators in the Paleogene | 2005 |