| original |
Early Jurassic |
|
USSR(Kazakh SSR) |
Malyavkina,V.S. Determination key of spores and pollen, Jurassic-Cretaceous |
1949 |
| details |
Nd |
|
Nd |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 2 |
1958 |
| details |
Keuper |
|
USSR(Urals) |
Kareva,E.A. The Upper Paleozoic and Lower Mesozoic of the Eastern Slope of the Urals and the western part of the Western Siberian Lowlands. (In: Geology and Petroleum Resources of the western parts of the Western Siberian Lowlands. S.G.Galerkina, editor) |
1959 |
| details |
Nd |
|
Nd |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 3 |
1960 |