| original |
Middle Gothlandian |
|
New York |
Loeblich,A.R.III Morphology, ultrastructure and distribution of Paleozoic acritarchs. |
1970 |
| details |
Middle Gothlandian |
|
New York |
Eisenack,A. et al. Catalog of fossil dinoflagellates, hystrichospheres and related microfossils. Acritarchs. |
1976 |
| details |
Early Llandoverian |
|
Nd |
Diez,M.D.C.R. et al. Range chart of selected Lower Paleozoic acritarch Taxa. 2: Index to Parts 1 and 2. |
1977 |
| details |
Middle Gothlandian |
|
New York |
Tappan,H. The Paleobiology of Plant Protists. |
1980 |
| details |
Ludlovian |
|
Libya |
Wood,G.D. et al. A unique new genus of acritarcha, (organic-walled microphytoplankton), from the Tanezzuft Formation (Silurian) of Libya. |
1987 |
| details |
Llandoverian |
Wenlockian |
China(Szechwan) |
Fang,X. et al. Silurian microflora and chitinozoa in Guanyinqiao Qijiang County Sichuan Province and their stratigraphic significance |
1988 |
| details |
Wenlockian |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |
| details |
Wenlockian |
Gedinnian |
Libya |
Tekbali,A.O. et al. Silurian spores, acritarchs and chitinozoans from the Bani Walid Borehole of the Ghadamis Basin, Northwest Libya. (In: The Geology of Libya. M.J.Salem et al, editors) |
1991 |
| details |
Llandoverian |
|
Canada(Nova Scotia) |
Strother,P.K. Acritarchs. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) |
1996 |
| details |
Middle Gothlandian |
|
New York |
Al-Ruwaili,M. New Silurian acritarchs from the sub-surface of northwestern Saudi Arabia. |
2000 |