| original |
Devonian |
|
Oklahoma |
Urban,J.B. Microfossils of the Woodford Shale (Devonian) of Oklahoma. |
1960 |
| original |
Frasnian |
|
France(Pas-de-Calais) |
Taugourdeau-Lantz,J. Spores from the Frasnian of an authorized region, the Boulonnais. |
1971 |
| original |
Late Tongrian |
|
France(Allier) |
Gorin,G. Palynostratigraphic study of Paleogene sediments of the Grande Limagne Basin, (Central Massif). (In: Geology of France) |
1975 |
| original |
Toarcian |
Aalenian |
Sweden |
Guy-Ohlson,D. Jurassic palynology of the Vilhelmsfalt Bore No.1, Scania, Sweden, Toarcian-Aalennian. |
1986 |
| original |
Late Miocene |
Early Pliocene |
Canada(Atlantic Coast) |
Head,M.J. et al. Palynology and dinocyst stratigraphy of the Upper Miocene and Lowermost Pliocene, ODP Leg 105, Site 646, Labrador Sea. |
1989 |