| details |
Ypresian |
|
Belgium |
De Coninck,J. Dinophyceae and acritarcha from the Ypresian of the Kallo Boring. |
1969 |
| details |
Ypresian |
|
Belgium |
De Coninck,J. Dinophyceae and acritarcha from the Ypresian of the Kallo Boring. |
1969 |
| details |
Kazanian |
Tatarian |
England(Cheshire) |
Wilkinson,I.P. et al. Offshore micropalaeontological biostratigraphy of southern and western Britain. |
1980 |
| details |
Hettangian |
Sinemurian |
England |
Wilkinson,I.P. et al. Offshore micropalaeontological biostratigraphy of southern and western Britain. |
1980 |
| details |
Albian |
|
Canada(Alberta) |
Brideaux,W.W. Recurrent species Groupings in fossil Micro-Plankton assemblages |
1971 |
| details |
Albian |
|
Canada(Alberta) |
Brideaux,W.W. Palynology of the Lower Colorado Group (Late Lower Cretaceous) and its lithological equivalents in central and west-central Alberta, Canada. |
1968 |
| details |
Middle Kinderhookian |
|
Missouri |
Brown,D.D. Palynology of the Hannibal Formation, (Lower Mississippian), of northeast Missouri and western Illinois. |
1969 |
| details |
Liassic |
|
England |
Wall,D. Microplankton, pollen, and spores from the Lower Jurassic in Britain |
1965 |
| details |
Hettangian |
Toarcian |
England |
Wall,D. Microplankton, pollen, and spores from the Lower Jurassic in Britain |
1965 |
| details |
Permian |
|
England |
Sarjeant,W.A.S. et al. The Micrhystridium and Veryhachium Complexes (Acritarcha: Acanthomorphitae and Polygonomorphitae): A taxonomic reconsideration. |
1994 |
| details |
Triassic |
|
Poland |
Orlowska-Zwolinska,T. Acritarchs. (In: Atlas of Important Fossils and Their Charaistics.Warszawa) |
1979 |