| details |
Neocomian |
Aptian |
USSR(Kirghiz SSR) |
Panova,L.A. Lower Cretaceous spore-pollen complexes of Central Asia. (In: Atlas of Lower Cretaceous spore-pollen complexes of some regions of USSR. I.M.Pokyovsksys and N.K.Stel'mak, editors) |
1964 |
| details |
Early Cretaceous |
|
USSR(Siberia) |
Fensome,R.A. Miospores from the Jurassic-Cretaceous boundary beds, Aklavik Range, Northwest Territories, Canada. (Incorporating taxonomic reviews of several Groups of Mid-Late Mesozoic miospores) |
1983 |
| details |
Turonian |
|
USSR(WSL) |
Skuratenko,A.V. Turonian spore and pollen assemblages of some Regions of West Siberia |
1966 |
| details |
Early Cretaceous |
|
USSR(Siberia) |
Dжring,H. Trilete spores from the Upper Jurassic and Wealdean of northern Germany |
1964 |
| original |
Early Cretaceous |
|
USSR(Siberia) |
Bolkhovitina,N.A. Atlas of spores and pollen from Jurassic and Lower Cretaceous deposits of the Vilyuysk Basin. |
1956 |