| details |
Rhaetian |
Liassic |
Greenland |
Potonie,R. Synopsis of the Sporae in situ. |
1962 |
| details |
Late Rhaetian |
Early Liassic |
Greenland |
Harris,T.M. The fossil flora of Scoresby Sound, east Greenland. Part 1. Cryptogams (exlusive of Lycopodiales). |
1931 |
| details |
Triassic |
|
Greenland |
Balme,B.E. Fossil in situ, spores and pollen grains: An annotated catalogue. |
1995 |
| details |
Early Cretaceous |
Tertiary |
Canada(Ontario) |
Rouse,G.E. The Disclosure and paleobotanical evaluation of plant microfossils from selected Cretaceous Coal-bearing strata of Canada |
1956 |