| original |
Keuper |
|
Switzerland |
Leschik,G. The Keuper flora of Neuewelt near Basel.2. TheIso and microspores. |
1955 |
| details |
Permian |
|
Romania |
Givulescu,R. Fossil flora of Romania. (3rd Supplement) |
1978 |
| details |
Early Carnian |
|
USSR(Bashkir ASSR) |
Tuzhikova,V.I. On the age and Extent of the Surakaisk Suite and Bukobaisk series of the Southern Cis-Urals. (In: Triassic Stratigraphy of the Urals and Cis-Urals. Symposium on the Problems of Stratigraphy. #27). V.I.Tuzhikova and G.N.Papulov, editors) |
1979 |
| details |
Carnian |
|
Switzerland |
Boersma,M. et al. Triassic palynomorphs, index to genera and species |
1987 |