| details |
Aptian |
Albian |
Worldwide |
Kovach,W.L. et al. Worldwide stratigraphic occurrences of Mesozoic and Tertiary megaspores. |
1989 |
| details |
Aptian |
Albian |
Argentina(Santa Cruz) |
Batten,D.J. et al. Catalog of Mesozoic and Tertiary megaspores |
1990 |
| details |
Mesozoic |
|
Nd |
Kovach,W.L. A review of Mesozoic megaspore-ultrastructure. (In: Ultrastructure of Fossil Spores and Pollen. M.H.Kurmann and J.A.Doyle, editors) |
1994 |
| details |
Late Aptian |
Early Albian |
Argentina(Santa Cruz) |
Baldoni,A.M. et al. Palynology of the Lower Cretaceous Kachaike Formation, Santa Cruz Province, Argentina. |
2001 |