| details |
Late Liassic |
|
Poland |
Marcinkiewicz,T. et al. Age of the Upper Helenow Beds, (Lias), in view of mega and microspore investigations, (Geological section Gorzow Slaski-Praska). |
1960 |
| details |
Pliensbachian |
Toarcian |
Poland |
Marcinkiewicz,T. Importance of megaspores in stratigraphy of Epicontinental Rhaetic and Liassic deposits in Poland. |
1971 |
| details |
Nd |
|
Nd |
Batten,D.J. et al. Catalog of Mesozoic and Tertiary megaspores |
1990 |
| details |
Nd |
|
Nd |
Grabowska,I. et al. Flora from the Lower and Middle Jurassic microflora |
1970 |
| details |
Dogger |
|
England(Rutland) |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 1 |
1956 |
| details |
Late Liassic |
Dogger |
Denmark |
Gry,H. Megaspores from the Jurassic of the Island of Bornholm, Denmark. |
1969 |
| details |
Aptian |
|
Canada(Alberta) |
Singh,C. Microflora of the Lower Cretaceous Mannville Group, east-central Alberta. |
1964 |