original |
Late Ordovician |
|
Sweden |
Eiserhardt,K.H. Baltisphaerid of the –jlemyrflint of Gotland, Sweden (Acritarchs of the Upper Ordovician boulders). |
1989 |
original |
Late Ludlovian |
Early Pridolian |
Libya |
Le H©riss©,A. Paleoecology, biostratigraphy and biogeography of late Silurian to early Devonian acritarchs and prasinophycean phycomata in well A161, Western Libya, North Africa |
2002 |
original |
Late Eocene |
Early Oligocene |
Switzerland |
Scherer,F. Geologic-palaeontologic investigation of the Flysch and Molasse between Thunersee and Eriz, (Bern Canton). |
1966 |
original |
Late Emsian |
|
W.Germany(N.Rhine) |
Edalat,B. Spore assemblages and acritarchs from the Lower Devonian (Emsian) of the Southern Bergishen Land |
1974 |
original |
Late Cretaceous |
|
Arizona |
Miller,H.W. et al. Microfossils from the Upper Cretaceous of Adobe Canyon, southern Arizona. |
1966 |
original |
Late Cretaceous |
|
Colorado |
Clarke,R.T. Palynology of Vermejo Formation Coals, (Upper Cretaceous) in the Canon City Coal Field, Fremont County, Colorado |
1963 |
original |
Late Cenomanian |
|
Arizona |
Li,H. et al. Dinoflagellate stratigraphy and its response to sea level change in Cenomanian-Turonian sections of the Western Interior of the United States. |
1996 |
original |
Late Campanian |
|
Canada(Alberta) |
Harland,R. Dinoflagellate cysts and acritarchs from the Bearpaw Formation, (Upper Campanian), of southern Alberta, Canada. |
1973 |
original |
Late Callovian |
|
USSR(Franz Josef Land) |
Smelror,M. Bathonian and Callovian (Middle Jurassic) dinoflagellate cysts and acritarchs from Franz Josef Land, Arctic Soviet. |
1987 |
original |
Late Arenigian |
Early Llandeilian |
Australia(W.Australia) |
Playford,G. et al. Ordovician acritarchs from the Canning Basin, Western Australia |
1984 |
original |
Late Albian |
|
Canada(Alberta) |
Brideaux,W.W. Recurrent species Groupings in fossil Micro-Plankton assemblages |
1971 |
original |
Gedinnian |
|
Oklahoma |
Wicander,R. Lower Devonian, (Gedinnian) acritarchs from the Haragan Formation, Oklahoma, USA. |
1986 |
original |
Flandrian |
|
Australia(W.Australia) |
Churchill,D.M. et al. Freshwater microplankton from Flandrian (Holocene) Peats of Southwestern Australia |
1962 |
original |
Flandrian |
|
Australia(W.Australia) |
Churchill,D.M. et al. Freshwater microplankton from Flandrian (Holocene) Peats of Southwestern Australia. |
1962 |
original |
Eocene |
|
India(Uttar Pradesh) |
Jain,K.P. Fossil dinoflagellates, acritarchs, tasmanitids and nannoplankton. (In: Aspects and Appraisal of Indian Palaeobotany. K.R.Surange, editor) |
1974 |
original |
Early Tithonian |
|
|
Quattrocchio,M.E. A contribution to the stratigraphic palynology of the Upper Jurassic of the Neuqu©n Basin. |
1980 |
original |
Early Sheinwoodian |
|
Sweden |
Le H©riss©,A. Acritarchs and cysts of Prasinophycean algae of the Silurian of Gotland, Sweden. |
1989 |