details |
Wenlockian |
|
Sweden |
Cramer,F.H. et al. Acritarchs. (In: Lower Wenlock faunal and flora dynamics-Vattenfallet section, Gotland. V.Jaanusson, S.Laufeld and R.Skoglund, editors) |
1979 |
details |
Wenlockian |
|
Algeria |
Downie,C. Devonian acritarchs. (In: The Devonian System. M.R. House et al, editors) |
1979 |
details |
Wenlockian |
|
England(Shropshire) |
Dorning,K.J. Palynology and stratigraphy of the Much Wenlock Limestone Formation of Dudley, Central England. |
1983 |
details |
Wenlockian |
|
Portuguese Guinea |
Cramer,F.H. et al. Subsurface section from Portuguese Guinea dated by palynomorphs as Middle Silurian. |
1972 |
details |
Wenlockian |
|
Canada(Ontario) |
Thusu,B. Acritarchs of the Middle Silurian Rochester Formation of Southern Ontario |
1973 |
details |
Wenlockian |
|
New York |
Thusu,B. Acritarchs from the Ilion Shale (Wenlockian), Utica, New York |
1973 |
details |
Wenlockian |
Whitcliffian |
England(Shropshire) |
Lister,T.R. et al. The stratigraphic distribution of the acritarchs in the Ludlow succession at Ludlow. |
1974 |
details |
Wenlockian |
|
Saudi Arabia |
Eisenack,A. et al. Catalog of fossil dinoflagellates, hystrichospheres and related microfossils. Acritarchs. |
1976 |
details |
Wenlockian |
|
Portuguese Guinea |
Eisenack,A. et al. Catalog of fossil dinoflagellates, hystrichospheres and related microfossils. Acritarchs. |
1976 |
details |
Silurian |
|
Sweden(Gotland) |
Strother,P.K. Acritarchs. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) |
1996 |
details |
Silurian |
|
USSR(Siberia) |
Tesakov,Y.I. Key Beds of the Kureyka River Region. (In: Silur Sibirskoy Platformy;Opornyve Razezy Severo-Zapada Sibirskoy Platformy. B.S.Sokolov et al, editor) |
1980 |
details |
Siegenian |
|
Czechoslovakia(Morovia) |
Cambel,B. et al. Biostratigraphic evaluation of Metasediments in the male Karpathy Mts.Region |
1985 |
details |
Sheinwoodian |
Late Whitcliffian |
Wales(Denbighshire) |
Swanson,V. et al. Acritarchs and chitinozoa from the Whitcliffian (Silurian) Dinas Bran Beds of Llangollen, Clwyd, North Wales. |
1977 |
details |
Nd |
|
Nd |
PŠ¶the de Baldis,E.D. Paleomicroplankton and miospores of the Lower Ludlovian of the Los Espejos Formation in the cross section of Los Azuleitos, San Juan Province, Argentina. |
1981 |
details |
Nd |
|
Nd |
Rubinstein,C.V. Acritarchs from the Silurian of the Jachal River Valley (Los Espejos Formation) San Juan Province, Republic Argentina Subgroups: Prismatomorphitae, Pteromorphitae and acritarchs of Uncertain location |
1990 |
details |
Middle Telychian |
Late Telychian |
Norway |
Smelror,M. Early Silurian acritarchs and Prasinophycean algae from the Ringerike Districkt, Oslo Region (Norway). |
1987 |
details |
Middle Llandoverian |
|
Paraguay |
Wood,G.D. et al. Distinctive Silurian chitinozoans from the Itacurubi Group (Bargas Pena Shale), Chaco Basin, Paraguay. |
1991 |