| original |
Arenigian |
|
Czechoslovakia |
VavrdovЎ,M. New acritarchs from Bohemian Arenig (Ordovician). |
1973 |
| details |
Arenigian |
Llanvirnian |
Mediterranean Sea |
VavrdovЎ,M. Geographical differentiation of Ordovician acritarch assemblages in Europe. |
1974 |
| details |
Arenigian |
|
Czechoslovakia |
Eisenack,A. et al. Catalog of fossil dinoflagellates, hystrichospheres and related microfossils. Acritarchs. |
1976 |
| details |
Late Arenigian |
Llanvirnian |
Czechoslovakia |
VavrdovЎ,M. Acritarchs from the Sarka Formation (Llanvirnian). |
1977 |
| details |
Arenigian |
|
Nd |
Diez,M.D.C.R. et al. Range chart of selected Lower Paleozoic acritarch Taxa. 2: Index to Parts 1 and 2. |
1977 |
| details |
Arenigian |
|
Canada(Newfoundland) |
Dean,W.T. et al. Lower Ordovician acritarchs and Trilobites from Bell Island, Eastern Newfoundland. |
1978 |
| details |
Caradocian |
|
England(Shropshire) |
Turner,R.E. Reworked acritarchs from the type section of the Ordovician Caradoc series. Shropshire. |
1982 |
| details |
Arenigian |
|
Canada(Newfoundland) |
Martin,F. Some aspects of Late Cambrian and Early Ordovician acritarchs. |
1982 |
| details |
Late Arenigian |
|
Czechoslovakia |
VavrdovЎ,M. Phytoplankton communities of Cambrian and Ordovician age of Central Bohemia |
1982 |
| details |
Arenigian |
|
Czechoslovakia |
VavrdovЎ,M. New genera of acritarchs from the Bohemian Ordovician. |
1986 |
| details |
Arenigian |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |