original |
Early Aptian |
|
Gabon |
Doyle,J.A. et al. Afropollis, a new genus of early angiosperm pollen, with notes on the Cretaceous palynostratigraphy and paleoenvironments of northern Gondwana. |
1982 |
original |
Early Aptian |
|
Maryland |
Doyle,J.A. et al. Afropollis, a new genus of early angiosperm pollen, with notes on the Cretaceous palynostratigraphy and paleoenvironments of northern Gondwana. |
1982 |
original |
Late Barremian |
Aptian |
Canada(Alberta) |
Burden,E.T. Terrestrial palynomorph biostratigraphy of the Lower Part of the Mannville Group, (Lower Cretaceous) Alberta and Montana. (In: The Mesozoic of Middle North America. D.F.Stott and D.J.Glass, editors) |
1984 |
original |
Aptian |
Early 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 |
original |
Late Barremian |
Early Aptian |
Montana |
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 |
original |
Late Aptian |
|
Colombia |
Streinesberger,L.V. et al. Dating the Yavi Formation (Aptian, Upper Magdalena Valley, Colombia), palynological results. |
1994 |