| original |
Early Permian |
|
England(Nottinghamshire) |
Clarke,R.F.A. British Permian saccate and monosulcate miospores |
1965 |
| details |
Induan |
|
USSR(Urals) |
Tuzhikova,V.I. Palynological criteria for the dating and correlation of Lower Triassic deposits of the Urals |
1981 |
| details |
Zechstein |
Ladinian |
England(Nottinghamshire) |
Warrington,G. Palynology of the Lower Magnesian Limestone of Sutton borehole. (In: Geology of the Country around East Retford, Worksop and Gainsborough. Smith, Rhys and Goossens. Palynology) |
1973 |