| details |
Early Devonian |
|
Norway |
Arnold,C.A. An Introduction to Paleobotany. |
1947 |
| details |
Early Devonian |
|
Wales |
Knox,E.M. Some aspects of microspore morphology. |
1959 |
| details |
Devonian |
|
Norway |
Potonie,R. Synopsis of the Sporae in situ. |
1962 |
| details |
Early Devonian |
|
Norway |
Boureau,E. et al. Paleobotanical Treatise. 2. Bryophyta, Psilophyta, Lycophyta. |
1968 |
| details |
Early Devonian |
|
Belgium |
Boureau,E. et al. Paleobotanical Treatise. 2. Bryophyta, Psilophyta, Lycophyta. |
1968 |
| details |
Early Devonian |
|
France |
Boureau,E. et al. Paleobotanical Treatise. 2. Bryophyta, Psilophyta, Lycophyta. |
1968 |
| details |
Late Gothlandian |
Early Devonian |
Nd |
Taylor,T.N. The origin of land plants |
1982 |
| details |
Devonian |
|
Norway |
Balme,B.E. Fossil in situ, spores and pollen grains: An annotated catalogue. |
1995 |