| original |
Late Triassic |
Early Jurassic |
USSR(Ukrainian SSR) |
Malyavkina,V.S. Determination key of spores and pollen, Jurassic-Cretaceous |
1949 |
| details |
Early Keuper |
|
E.Germany |
Schulz,E. Stratigraphic distribution of spores and pollen from the Upper Permian to the Lowermost Lias in northern Middle Europe. |
1966 |
| details |
Late Triassic |
Early Jurassic |
USSR |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 4. Supplement to all Groups, (Turmae). |
1966 |
| details |
Nd |
|
Nd |
Boersma,M. et al. Triassic palynomorphs, index to genera and species |
1987 |