| details |
Keuper |
Toarcian |
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 |
Sinemurian |
|
USSR(Yakut ASSR) |
Petrova,L.D. et al. On the palynological characteristics of Mesozoic deposits in the area of the City of Yakuts. (In: Stratigraphy and Palynology of Sedimentary Deposits of Yakutia. A.I.Tomskaya, editor) |
1982 |
| details |
Nd |
|
Nd |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 2 |
1958 |
| original |
Middle Jurassic |
|
USSR(Ukrainian SSR) |
Malyavkina,V.S. Determination key of spores and pollen, Jurassic-Cretaceous |
1949 |