| details |
Ladinian |
Carnian |
England(Staffordshire) |
Warrington,G. The stratigraphy and palaeontology of the Keuper Series of the central Midlands of England. |
1970 |
| details |
Hettangian |
Sinemurian |
USSR(Ukrainian SSR) |
Petrosyants,M.A. Lower Jurassic palynocomplexes of the Bodrak River Basin (Mount Crimea). (In: Palynological investigations of Proterozoic and Phanerozoic oil and gas bearing regions of the USSR) |
1980 |
| details |
Late Hettangian |
Early Sinemurian |
USSR(Ukrainian SSR) |
Petrosyants,M.A. On certain Monocolpate pollen grains in Lower-Middle Jurassic deposits of Southern SSSR. (In: Palinologicheskie issledovaniya Proterozoya i Fanerozoya neftegazonoshykh. T.V. Byvsheva, editor.) |
1980 |
| details |
Nd |
|
Nd |
Boersma,M. et al. Triassic palynomorphs, index to genera and species |
1987 |