| details |
Nd |
|
Nd |
Burden,E.T. et al. Illustrated key to genera of Lower Cretaceous terrestrial palynomorphs, (excluding megaspores), of Western Canada. (Stratigraphic ranges and sample locations taken from E.T.Burden,1982 - Lower Cretaceous terrestrial palynomorph biostratigraphy of the McMurray Formation, northeastern Alberta, Unpub.Phd Thesis) |
1989 |
| details |
Late Valanginian |
Early Hauterivian |
Germany |
Dжring,H. Stratigraphic distribution of the spore genera Gleicheniidites and Trubasporites in the Jurassic-Cretaceous transition |
1965 |
| details |
Late Aptian |
Late Albian |
England |
Kemp,E.M. Aptian and Albian miospores from Southern England. |
1970 |
| details |
Bajocian |
|
France(Pas-de-Calais) |
Levet-Carrette,J. Study of the Bajocian microflora from a drilling at Boulogne-sur-Mer (Pas-de-Calais). |
1964 |
| original |
Aptian |
|
England(Isle of Wight) |
Couper,R.A. British Mesozoic microspores and pollen grains, a systematic and stratigraphic study. |
1958 |
| details |
Aptian |
|
England(Isle of Wight) |
Kemp,E.M. Aptian and Albian miospores from Southern England. |
1970 |
| details |
Aptian |
|
England(Isle of Wight) |
Levet-Carrette,J. Study of the Bajocian microflora from a drilling at Boulogne-sur-Mer (Pas-de-Calais). |
1964 |
| details |
Aptian |
|
England(Isle of Wight) |
Dжring,H. Stratigraphic distribution of the spore genera Gleicheniidites and Trubasporites in the Jurassic-Cretaceous transition |
1965 |