| details |
Early Devonian |
|
USSR(Bashkir ASSR) |
Chibrikova,E.V. Stratigraphy of Devonian and older Paleozoic deposits of the Southern Urals and the Pre-Urals (According to plant Microfssils). |
1977 |
| details |
Early Frasnian |
|
USSR(Latvian SSR) |
Ozolina,V.R. Spore-pollen spectrum of Frasnian age of Upper Devonian, Latvian SSR. |
1963 |
| details |
Early Tournaisian |
|
USSR(Altai Kray) |
Lavrinenko,A.P. et al. Paleozoic spore-pollen complexes of the southwestern Altai. |
1974 |
| details |
Early Visean |
|
USSR(Ukrainian SSR) |
Shulga,P.L. et al. The Paleozoic Formations of the Belokorovichi Graben Syncline, northwestern Ukrainian Shield. |
1982 |
| details |
Early Tournaisian |
|
Libya |
VavrdovЎ,M. Latest Devonian miospores and acritarchs from the subsurface samples of the Ashkidah Formation. (In: The Geology of Libya. M.J.Salem et al, editors) |
1991 |
| details |
Early Cambrian |
|
USSR |
Umnova,N.I. Ordovician and Silurian acritarchs of the Moscow Basin and Prebaltic |
1975 |