| details |
Middle Eocene |
|
W.Germany(Hesse) |
Krutzsch,W. Micropaleontologic (spore paleontology), investigation of the Brown Coal of the Geiseltal. |
1959 |
| details |
Late Albian |
|
USSR(Urals) |
Krutzsch,W. Micropaleontologic (spore paleontology), investigation of the Brown Coal of the Geiseltal. |
1959 |
| details |
Aptian |
Early Albian |
USSR(Kazakh SSR) |
Garetsky,R.G. The Depth-Geology of the Kokpectinskaya Anticline near Mugodzar Region. |
1957 |
| original |
Late Albian |
|
USSR(Urals) |
Bolkhovitina,N.A. Spore and pollen characteristics of Cretaceous layers in the Central Regions of the USSR. |
1953 |