| details |
Recent |
|
Nd |
Knox,E.M. The spores of Pteridophyta, with observations on microspores in Coals of Carboniferous age. |
1939 |
| details |
Albian |
Turonian |
USSR(European) |
Kopytova,E.A. The spore pollen complex of the central part of Kyzylkumov and its stratigraphic significance. (In: Fossil Spores and Pollen of Plants and their Significance for their Stratigraphic Subdivivision of Oil and Gas Bearing Series of Precambrian, Paleozoic and Mesozoic rocks in the European and Central Asian Regions of the USSR. S.V.Semikhatovoi, V.P.Grichuka, and K.A.Bolkhovitina, editors) |
1967 |
| details |
Late Frasnian |
|
France(Pas-de-Calais) |
Taugourdeau-Lantz,J. The spores of the Frasnian of the Bas Boulonnais (France). |
1967 |
| details |
Cretaceous |
|
USSR(Kazakh SSR) |
Medvedeva,A.M. et al. Direct evidence for vertical oil migration in the eastern Precaspian. |
1993 |