| original |
Cenomanian |
|
Greenland |
Nathorst,A.G. Nathorstia Heer. 5 |
1908 |
| details |
Cenomanian |
|
Greenland |
Potonie,R. Synopsis of the Sporae in situ. |
1962 |
| details |
Early Cretaceous |
|
Greenland |
Konijnenburg-Cittert,J.H.A.Van A review of the Matoniaceae based on in situ, spores |
1993 |
| details |
Middle Jurassic |
Early Cretaceous |
England |
Konijnenburg-Cittert,J.H.A.Van et al. Comparative ultrastructure of living and fossil Matoniaceous spores (Pteridophyta). (In: Ultrastructure of Fossil Spores and Pollen. M.H.Kurmann and J.A.Doyle, editors) |
1994 |
| details |
Cretaceous |
|
Greenland |
Balme,B.E. Fossil in situ, spores and pollen grains: An annotated catalogue. |
1995 |
| details |
Cretaceous |
|
Sweden |
Kedves,M. Tranmission Electron Microscopy of the Fossil Spores. |
1996 |