| original |
Devonian |
|
Brazil(Para) |
Sommer,F.W. The spores from the shale of Barreirinha. |
1953 |
| details |
Frasnian |
|
W.Germany(N.Rhine) |
Amirie,G.H.B. Phytoplankton of the Frasnian of Bergisch Syncline of the North Rhineland |
1984 |
| details |
Early Gothlandian |
|
Brazil(Para) |
da Costa,N.M. Silurian chitinozoa of Igarape Da Rainha, State of Para |
1971 |
| details |
Middle Devonian |
|
Brazil(Para) |
Boekel,N.M.Van Devonian microfossils of the Rio Tapajos, Para.1.Ta Tasmanaceae. |
1968 |
| 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 |
Middle Devonian |
|
Brazil(Amazonas) |
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 |
Middle Devonian |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |
| details |
Devonian |
|
Brazil |
Johnson,J.H. et al. Studies of Devonian algae. |
1958 |
| 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 |
Devonian |
|
|
Jux,U. The wallstructures of Spheromorph acritarchs |
1977 |
| details |
Devonian |
|
Brazil |
Sommer,F.W. et al. Brazilian Palaeozoic Algomycetes and Tasmanaceae |
1967 |
| details |
Middle Devonian |
|
Brazil(Para) |
Sommer,F.W. et al. Revision of Brazilian Paleozoic Tasmanaceae |
1966 |
| details |
Devonian |
|
Brazil |
Sommer,F.W. South American Paleozoic sporomorphae without haptotypicstructures. |
1956 |
| details |
Devonian |
|
Brazil(Para) |
Sommer,F.W. New Devonian species of Tasmanites of Para |
1956 |
| details |
Devonian |
|
Brazil(Para) |
Sommer,F.W. New Devonian species of Tasmanites of Para |
1956 |