| details |
Cretaceous |
|
USA |
Wilson,L.R. Spores and pollen as microfossils. |
1944 |
| details |
Norian |
Rhaetian |
USSR(Franz Josef Land) |
Dibner,V.D. et al. Data on geology and biostratigraphy of Upper Triassic and Lower Jurassic deposits of Franz-Joseph Land. (In: Symposium of Articles on Arctic Geology. B.V.Ikatshenko, editor) |
1959 |
| details |
Rhaetian |
|
USSR(Franz Josef Land) |
Dibner,V.D. Stratigraphy of Upper Triassic deposits of Franz Josef Land. (In: Transactions of the All-Union Conference on the study in the detail stratigraphy of Mesozoic deposits of the Russian Platform. Triassic system.volume 1.E.M.Lyutkevicha, editor) |
1960 |