| original |
Devonian |
|
Brazil(Para) |
Sommer,F.W. The spores from the shale of Barreirinha. |
1953 |
| details |
Devonian |
|
Brazil(Para) |
Sommer,F.W. New Devonian species of Tasmanites of Para |
1956 |
| details |
Paleozoic |
|
Brazil |
Sommer,F.W. South American Paleozoic sporomorphae without haptotypicstructures. |
1956 |
| details |
Devonian |
|
Brazil |
Sommer,F.W. South American Paleozoic sporomorphae without haptotypicstructures. |
1956 |
| details |
Devonian |
|
Brazil |
Johnson,J.H. et al. Studies of Devonian algae. |
1958 |
| details |
Devonian |
|
Oklahoma |
Urban,J.B. Microfossils of the Woodford Shale (Devonian) of Oklahoma. |
1960 |
| details |
Nd |
|
Nd |
Downie,C. et al. Bibliography and index of fossil dinoflagellates and acritarchs. |
1965 |
| details |
Silurian |
Devonian |
Africa(Sahara) |
Combaz,A. Strata with Tasmanaceae in the Paleozoic of the Sahara. |
1966 |
| details |
Middle Devonian |
|
Brazil(Para) |
Sommer,F.W. et al. Revision of Brazilian Paleozoic Tasmanaceae |
1966 |
| details |
Devonian |
|
Brazil |
Sommer,F.W. et al. Brazilian Palaeozoic Algomycetes and Tasmanaceae |
1967 |
| details |
Middle Devonian |
|
Brazil(Para) |
Boekel,N.M.Van Paleozoic Tasmanites of the Amazon Basin and their stratigraphic correlation. |
1967 |
| details |
Early Devonian |
|
|
Boekel,N.M.Van Paleozoic Tasmanites of the Amazon Basin and their stratigraphic correlation. |
1967 |
| details |
Devonian |
|
|
Lange,F.W. et al. The Devonian of the Parana Basin |
1967 |
| details |
Early Llandoverian |
Frasnian |
Brazil(Amazonas) |
Lange,F.W. Biostratigraphic subdivisions and revision of the Silurian-Devonian column of the Lower Amazon Basin. |
1967 |
| details |
Silurian |
Devonian |
Brazil(Maranhao) |
Brito,I.M. Contribution to the knowledge of Silurian and Devonian microfossils from the State of Maranhao.LV. Tasmanaceae |
1969 |
| details |
Devonian |
|
|
Jux,U. The wallstructures of Spheromorph acritarchs |
1977 |
| details |
Downtonian |
|
Libya |
Al-Ameri,T.K. Observations of the wallstructure and excystment mechanisum of acritarchs. |
1986 |