details |
Rhaetian |
|
USSR(Ukrainian SSR) |
Semenova,E.V. On the boundary between Triassic and Jurassic in the North-West Margin of Donbas according to data of spore-pollen analysis |
1965 |
details |
Norian |
Rhaetian |
Canada(NWT,Franklin) |
McGregor,D.C. Triassic, Jurassic and Lower Cretaceous spores and pollen of Arctic Canada. |
1965 |
details |
Middle Rhaetian |
|
W.Germany(Niedersachsen) |
M¤dler,K.A. Noteworthy spore forms from the Keuper and Lower Lias. |
1964 |
details |
Late Triassic |
|
Germany(Leipzig) |
Reinhardt,P. Sporae dispersae of the Triassic of Thuringen. |
1964 |
details |
Middle Tertiary |
Late Tertiary |
Europe |
Krutzsch,W. Atlas of Middle and Upper Tertiary dispersed spores and pollen as well as microplankton of northern Middle Europe. 2. Spores of the a Nothocerotaceae and Lycopodiaceae. |
1963 |
original |
Rhaetian |
|
Germany(Leipzig) |
Schulz,E. Paleontological investigations of spores of the Rhaetian-Liassic boundary of Thuringen and the Altmark. |
1962 |