| details |
Middle Devonian |
|
Brazil |
Sommer,F.W. et al. Brazilian Palaeozoic Algomycetes and Tasmanaceae |
1967 |
| details |
Middle Devonian |
|
Brazil(Para) |
Sommer,F.W. et al. On some Paleozoic index fossils from the Amazon Basin. |
1967 |
| details |
Devonian |
|
Brazil(Para) |
Sommer,F.W. On Protosalvinia Bilobata Dawson from the Devonian of Para and its taxonomic Situation |
1962 |
| details |
Erian |
|
Brazil |
Dawson,J.W. On Rhizocarps in the Paleozoic Period |
1884 |
| details |
Devonian |
|
New York |
Clarke,J.M. On Devonian spores |
1885 |
| details |
Devonian |
|
USA |
Balme,B.E. Fossil in situ, spores and pollen grains: An annotated catalogue. |
1995 |