| original |
Rhaetian |
|
USSR(Urals) |
Malyavkina,V.S. Upper Triassic, Lower and Middle Jurassic spore and pollen complexes of the western and eastern sides of the Urals. (In: Paleobotanical Symposium) |
1953 |
| original |
Rhaetian |
|
USSR(Pre-Urals) |
Malyavkina,V.S. Spore and pollen assemblages of eastern and Western Pre-Urals. |
1953 |
| details |
Rhaetian |
|
USSR(Pre-Urals) |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 2 |
1958 |
| details |
Rhaetian |
|
USSR(Urals) |
Boersma,M. et al. Triassic palynomorphs, index to genera and species |
1987 |