| details |
Late Llandoverian |
|
Lithuania |
Yankauskas,T.V. et al. Upper Llandoverian and Lower Wenlockian acritarch assemblages from the Ledai-179 boring in Lithuania. |
2004 |
| details |
Middle Llandoverian |
|
Argentina(San Juan) |
Pжthe de Baldis,E.D. Acritarchs from the Early to Middle Llandoverian Don Braulio Formation of the eastern Precordillera of San Juan Province, Argentina |
1997 |
| details |
Late Telychian |
Early Gorstian |
Worldwide |
Molyneux,S.G. et al. Paleozoic phytoplankton. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) |
1996 |
| details |
Ludlovian |
Pridolian |
Argentina |
Rubinstein,C.V. Acritarchs from the Upper Silurian of Argentina:Their relationship with Gondwana |
1995 |
| details |
Late Ludlovian |
Early Pridolian |
Argentina(San Juan) |
Rubinstein,C.V. Acritarchs from the Upper Silurian of San Juan, Argentina: Biostratigraphy and palaeobiogeography. (In: Contributions to Acritarch and Chitinozoan Research. S.G.Molyneux and K.J.Doring, editors) |
1993 |
| details |
Ludlovian |
|
Argentina(San Juan) |
Rubinstein,C.V. Palynological investigations in the Lower Paleozoic of Argentina |
1993 |
| details |
Late Ludlovian |
Pridolian |
Argentina(San Juan) |
Rubinstein,C.V. Palynology of the Upper Silurian (Los Espejos Formation) of the Quebrada de Las Aquaditas San Juan Precordillera, Argentina. |
1992 |
| details |
Late Llandoverian |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |
| details |
Ludlovian |
Siedlce |
Poland |
Stempien,M. Ordovician and Silurian acritarchs of the Niestachow Sandstone Formation (Gory Swietokrzyskie Mountains) |
1990 |
| details |
Middle Sheinwoodian |
Early Homerian |
England(Northumberland) |
Barron,H.F. Mid-Wenlock acritarchs from a Silurian Inlier in the Cheviot Hills, northeast England. |
1989 |
| details |
Late Llandoverian |
Early Sheinwoodian |
Sweden |
Le H©riss©,A. Acritarchs and cysts of Prasinophycean algae of the Silurian of Gotland, Sweden. |
1989 |
| details |
Early Ludlovian |
Middle Ludlovian |
Argentina(San Juan) |
Rubinstein,C.V. Acritarch from the Silurian of the Jachal River Valley (Los Esp Formation), San Juan Province, Republica Argentina Subgroups Herkumorphita, Netromorphitae and Polgonomorphitae |
1989 |
| details |
Late Telychian |
|
Norway |
Smelror,M. Early Silurian acritarchs and Prasinophycean algae from the Ringerike Districkt, Oslo Region (Norway). |
1987 |
| details |
Early Wenlockian |
|
Sweden |
Le H©riss©,A. Organic walled microplankton from the Silurian of Gotland, (Sweden): Electron microscopical observations on excystment structures. |
1984 |
| details |
Late Llandoverian |
Ludlovian |
USSR(Krasnoyarsk Kray) |
Sheshegova,L.I. The acritarchs of the Silurian of the northern Siberian Platform |
1984 |
| details |
Early Ludlovian |
|
Argentina(San Juan) |
Pжthe 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 |
Llandoverian |
Wenlockian |
England(Shropshire) |
Dorning,K.J. Silurian acritarchs from the type Wenlock and Ludlow of Shropshire, England. |
1981 |