| original |
Llandoverian |
Ludlovian |
Saudi Arabia |
Al-Ruwaili,M. New acritarch genera and species from the Silurian of Saudi Arabia. |
1998 |
| original |
Late Ladinian |
|
Australia(NSW) |
Anderson,H.M. et al. A preliminary review of the biostratigraphy of the uppermost Permian, Triassic and lowermost Jurassic of Gondwanaland. |
1970 |
| original |
Middle Cambrian |
|
Canada(Newfoundland) |
Anderson,M.M. Discussion: Algal remains from the Ramdom Formation (Late Precambrian) of Newfoundland, Canada. (Reply - A.C.Nautiyal). |
1984 |
| details |
Sparnacian |
|
France(Paris Basin) |
Aubry,M.-P. et al. The Sparnacian deposits of the Paris Basin: A lithostratigraphic classification. |
2005 |
| details |
Sparnacian |
|
France(Paris Basin) |
Aubry,M.-P. et al. The Sparnacian deposits of the Paris Basin: A lithostratigraphic classification. |
2005 |
| original |
Silurian |
|
Austria |
Bachmann,A. et al. Microfossils from the Austrian Silurian. |
1964 |
| original |
Famennian |
|
France(Ardennes) |
Bain,A. et al. Study of a microplankton, (Acritarches), of the Upper Devonian of the Ardennes. |
1965 |
| original |
Gedinnian |
Emsian |
Spain |
Cramer,F.H. Palynology of Silurian and Devonian rocks in northwest Spain. |
1966 |
| original |
Aptian |
|
Brazil(Maranhao) |
de Lima,M.R. Palynology of the Codo Formation in the Codo Region. (In: Paleobotany and palynology of South America) |
1982 |
| original |
Miocene |
|
Texas |
Ebtehadj,K. Palynology of the subsurface Frio Formation, in Liberty and Chambers Counties, Texas. |
1969 |
| original |
Missourian |
|
Oklahoma |
Edwards,W.A. Palynology of the Francis Shale (Pennsylvanian) from near Ada, Oklahoma. |
1966 |
| original |
Early Cambrian |
|
Sweden |
Eklund,C. Lower Cambrian acritarch stratigraphy of the Barstad 2 core, Ostergotland, Sweden. |
1990 |
| original |
Caradocian |
|
Portugal |
Elaouad-Debbaj,Z. Late Ordovician acritarches of the Bucaco Syncline (Portugal); systematics-biostratigraphy-paleogeographic interests. |
1978 |
| original |
Aptian |
|
USSR(Kazakh SSR) |
Fedorova,V.A. The role of organic microphyloplancton in correlating separate sections (On first studies of Apt deposits of northern Pre-Caspian). (In: Mikrofitofossilii v neftyanoi geologii. N. A. Timoshina, editor) |
1980 |
| original |
Early Cambrian |
Middle Cambrian |
USSR(Latvian SSR) |
Fridriksone,A.I. Acritarch Baltisphaeridium and its history (?) from the Cambrian sediments of Latvia. (In: Palaeontology and stratigraphy of the Baltic and Byelorussia) |
1971 |
| original |
Sparnacian |
|
France(Paris Basin) |
Gruas-Cavagnetto,C. Palynological study of various Sparnacian Beds in the Paris Basin |
1968 |
| original |
Early Eocene |
|
England(Kent) |
Gruas-Cavagnetto,C. Microflora and microplankton of the Woolwich Beds (Swanscombe, Kent). |
1970 |