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 |
|
Brazil(Para) |
Boekel,N.M.Van Silurian microfossils from the Garape da Rainha, Pa Para |
1968 |
details |
Middle Devonian |
|
Brazil(Para) |
Boekel,N.M.Van Devonian microfossils of the Rio Tapajos, Para.1.Ta Tasmanaceae. |
1968 |
details |
Early Gothlandian |
|
Brazil(Para) |
da Costa,N.M. Silurian chitinozoa of Igarape Da Rainha, State of Para |
1971 |
details |
Devonian |
|
|
Jux,U. The wallstructures of Spheromorph acritarchs |
1977 |
details |
Frasnian |
|
W.Germany(N.Rhine) |
Amirie,G.H.B. Phytoplankton of the Frasnian of Bergisch Syncline of the North Rhineland |
1984 |
details |
Late Llandoverian |
|
Libya |
Al-Ameri,T.K. Observations of the wallstructure and excystment mechanisum of acritarchs. |
1986 |
details |
Middle Devonian |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |
details |
Late Llandoverian |
Early Devonian |
Libya |
Richardson,J.B. Paleozoic spores and pollen: Lower and Middle Palaeozoic record of terrestrial palynomorphs. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) |
1996 |