| original |
Cenomanian |
|
Minnesota |
Pierce,R.L. Lower Upper Cretaceous plant microfossils from Minnesota. |
1961 |
| details |
Late Cretaceous |
|
Minnesota |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 4. Supplement to all Groups, (Turmae). |
1966 |
| details |
Late Senonian |
|
USSR(Kazakh SSR) |
Nesterova,E.V. et al. Palynological and microfaunistic characteristics of the Upper Senonian deposits of East Pre-Aralsk. |
1976 |
| details |
Late Callovian |
Kimmeridgian |
USSR(Kazakh SSR) |
Doludenko,M.P. et al. Jurassic floras of the Karatau range, Southern Kazakhstan. |
1976 |