| details |
Aalenian |
|
England(Yorkshire) |
Konijnenburg-Cittert,J.H.A.Van Two Osmundopsis species and their Sterile Foliage from the Middle Jurassic of Yorkshire |
1996 |
| details |
Jurassic |
|
Greenland |
Balme,B.E. Fossil in situ, spores and pollen grains: An annotated catalogue. |
1995 |
| details |
Bajocian |
|
England(Yorkshire) |
Konijnenburg-Cittert,J.H.A.Van Osmundaceous spores in situ, from the Jurassic of Yorkshire, England. |
1978 |
| details |
Bajocian |
Bathonian |
Sweden |
Tralau,H. Botanical investigations into the fossil flora of Eriksdal in Fyledalen, Scania. 2. The Middle Jurassic microflora. |
1968 |