| details |
Nd |
|
Nd |
Lindgren,S. Remarks on the taxonomy, botanical affinities, and distribution of Leiospheres. |
1981 |
| details |
Nd |
|
Nd |
Downie,C. et al. Bibliography and index of fossil dinoflagellates and acritarchs. |
1965 |
| original |
Late Devonian |
|
Canada(Alberta) |
Staplin,F.L. Reef-Controled distribution of Devonian microplankton in Alberta. |
1961 |
| details |
Late Devonian |
|
Canada(Alberta) |
Eisenack,A. et al. Catalog of fossil dinoflagellates, hystricosphaeres and related microfossils. |
1979 |
| details |
Late Devonian |
|
Canada(Alberta) |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |
| details |
Late Devonian |
|
Canada(Alberta) |
Downie,C. et al. Bibliography and index of fossil dinoflagellates and acritarchs. |
1965 |
| details |
Frasnian |
|
Canada(Alberta) |
Wicander,R. A catalogue and biostratigraphic distribution of North American Devonian acritarchs. |
1983 |
| details |
Devonian |
|
Romania |
Givulescu,R. Fossil flora of Romania. (3rd Supplement) |
1978 |
| details |
Devonian |
|
Romania |
Gherasi,N. et al. On the Paleozoic age, (Devonian) of the Vidra Formation situated in the northern part of the Tarcu Mountains, (South Carpathians). |
1975 |