| original |
Ludlovian |
|
England(Shropshire) |
Lister,T.R. The acritarchs and chitinozoa from the Wenlockian and Ludlowvian series of the Ludlovian and Millichope areas, Shrophire. |
1970 |
| original |
Famennian |
|
USSR(WSL) |
Nadler,Y.S. Late Devonian spores of the Marginal Parts of Kuznetz Basin and Altai |
1966 |
| original |
Bajocian |
|
France(Poitou) |
Valensi,L. Microfossils from flint of the Middle Jurassic. Petrographic remarks. |
1953 |
| original |
Early Ashgillian |
|
USSR(Estonian SSR) |
Uutela,A. et al. Ordovician acritarchs from the Rapla borehole, Estonia |
1991 |
| original |
Late Budnanian |
Lochkovian |
Algeria |
Magloire,L. Stratigraphical study by means of palynology of Silurian and Lower Devonian clay-sand deposits in the Wester Great Erg (Agerian Sahara). |
1967 |
| original |
Silurian |
|
France(Herault) |
Deflandre,G. On the Hystrichospheres of Silurian Limestone from Black Mountain |
1942 |
| original |
Wenlockian |
|
England(Shropshire) |
Downie,C. Hystrichospheres from the Silurian Wenlock Shale of England. |
1959 |
| original |
Ludlovian |
|
England(Shropshire) |
Lister,T.R. The acritarchs and chitinozoa from the Wenlockian and Ludlowvian series of the Ludlovian and Millichope areas, Shrophire. |
1970 |
| original |
Late Cenomanian |
Middle Turonian |
Arizona |
Jones,R.E. Taxonomic treatment of dinoflagellates and acritarchs from the Mancos Shale, (Upper Cretaceous), of the Southwetern United States. |
1976 |
| original |
Late Cenomanian |
|
Arizona |
Jones,R.E. Taxonomic treatment of dinoflagellates and acritarchs from the Mancos Shale, (Upper Cretaceous), of the Southwetern United States. |
1976 |
| original |
Early Permian |
|
United Kingdom |
Wall,D. et al. Permian Hystrichospheres from Britain. |
1963 |
| original |
Early Permian |
|
United Kingdom |
Wall,D. et al. Permian Hystrichospheres from Britain. |
1963 |
| original |
Early Permian |
|
United Kingdom |
Wall,D. et al. Permian Hystrichospheres from Britain. |
1963 |
| original |
Early Permian |
|
United Kingdom |
Wall,D. et al. Permian Hystrichospheres from Britain. |
1963 |
| original |
Early Permian |
|
United Kingdom |
Wall,D. et al. Permian Hystrichospheres from Britain. |
1963 |
| original |
Early Permian |
|
United Kingdom |
Wall,D. et al. Permian Hystrichospheres from Britain. |
1963 |
| details |
Bajocian |
|
France(Poitou) |
Valensi,L. Microfossils from flint of the Middle Jurassic. Petrographic remarks. |
1953 |