| original |
Late Triassic |
Early Jurassic |
USSR(Krasnoyarsk Kray) |
Malyavkina,V.S. Determination key of spores and pollen, Jurassic-Cretaceous |
1949 |
| original |
Late Triassic |
Middle Jurassic |
USSR(Ukrainian SSR) |
Malyavkina,V.S. Determination key of spores and pollen, Jurassic-Cretaceous |
1949 |
| original |
Early Jurassic |
Middle Jurassic |
USSR(Ukrainian SSR) |
Malyavkina,V.S. Determination key of spores and pollen, Jurassic-Cretaceous |
1949 |
| details |
Liassic |
Bajocian |
Nd |
Bolkhovitina,N.A. Pollen of Conifers in Mesozoic deposits and its value for stratigraphy. |
1952 |
| details |
Early Bajocian |
|
USSR(Urals) |
Malyavkina,V.S. Spore and pollen complexes of Mesozoic deposits of the South-East of the Russian Platform (Emba and West Urals) |
1956 |
| details |
Mesozoic |
|
Nd |
Neviani,I. The stratigraphic value of conifer pollen in the Mesozoic |
1963 |