| original |
Late Rhaetian |
Early Liassic |
Greenland |
Harris,T.M. The fossil flora of Scoresby Sound, east Greenland. Part 4. Ginkgoales, Coniferales, Lycopodiales and isolated fructifications. |
1935 |
| details |
Rhaetian |
Early Liassic |
Greenland |
Harris,T.M. The fossil flora of Scoresby Sound, east Greenland. Part 5. Stratigraphic relations of the plant beds. |
1937 |
| details |
Rhaetian |
Liassic |
Greenland |
Schopf,J.M. et al. An annotated synopsis of Paleozoic fossil spores and the definition of generic groups. |
1944 |
| details |
Early Gondwana |
|
India(Bihar) |
Surange,K.R. et al. Megaspores from the West Bokaro Coalfield. |
1953 |
| details |
Late Keuper |
|
Germany |
Will,H.J. Paleontologic study of Upper Keuper stratigraphy in Northwest Germany. |
1953 |
| details |
Nd |
|
Nd |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 1 |
1956 |
| details |
Late Pliensbachian |
|
Poland |
Marcinkiewicz,T. The stratigraphy of the Rhaetian and Liasin Poland based on megaspore investigations |
1971 |