| original |
Late Cenomanian |
|
Spain |
Floquet,M. et al. Detailed stratigraphy, paleogeography and first description of megaspores in the Upper Cenomanian of northern Spain. |
1979 |
| details |
Late Cenomanian |
|
Worldwide |
Kovach,W.L. et al. Worldwide stratigraphic occurrences of Mesozoic and Tertiary megaspores. |
1989 |
| details |
Late Cenomanian |
|
Spain |
Batten,D.J. et al. Catalog of Mesozoic and Tertiary megaspores |
1990 |
| details |
Nd |
|
Nd |
Batten,D.J. et al. Morphological reassessment of some zonate coronate megaspore genera of mainly post-Palaeozoic age. |
1993 |