| details |
Maestrichtian |
|
Canada(Alberta) |
Pierce,S.T. Morphology of Schizosporis reticulatus Cookson and Dettmann 1959. |
1976 |
| details |
Albian |
|
Maryland |
Pierce,S.T. Morphology of Schizosporis reticulatus Cookson and Dettmann 1959. |
1976 |
| details |
Berriasian |
|
Canada(Alberta) |
Ricketts,B.D. et al. Stratigraphy, sedimentology and palynology of the Kootenay-Blairmore transition in southwestern Alberta and southeastern British Columbia. |
1986 |
| details |
Berriasian |
|
Canada(British Columbia) |
Ricketts,B.D. et al. Stratigraphy, sedimentology and palynology of the Kootenay-Blairmore transition in southwestern Alberta and southeastern British Columbia. |
1986 |
| details |
Late Valanginian |
Aptian |
North America |
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 Barremian |
Early Aptian |
Canada(Alberta) |
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 |
Albian |
|
North America |
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 |
Albian |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |