| details |
Late Ordovician |
Early Gothlandian |
Ghana |
Bar,P. et al. Latest Ordovician to Earliest Silurian microfloras from the Lower Sekondian Series of Ghana, (West Africa), and their relationship to those from the Itaim Formation of the Maranhao Basin in Northeast Brazil. |
1980 |
| details |
Silurian |
|
Canada(Anticosti Island) |
Duffield,S.L. et al. Acritarch biostratigraphy of Upper Ordovician-Lower Silurian rocks, Anticosti Island, Quebec. |
1981 |
| details |
Early Ludlovian |
|
Argentina(San Juan) |
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 |
| original |
Wenlockian |
Ludlovian |
England(Shropshire) |
Dorning,K.J. Silurian acritarchs from the type Wenlock and Ludlow of Shropshire, England. |
1981 |
| details |
Nd |
|
Nd |
Dorning,K.J. Silurian acritarchs from the type Wenlock and Ludlow of Shropshire, England. |
1981 |
| details |
Early Gothlandian |
|
Argentina(San Juan) |
Melendi,D.L. et al. Palynological data on the Ordovician-Silurian boundary of Talacasto, San Juan Province.Part 1. Lower Silurian. |
1982 |
| details |
Wenlockian |
|
England(Shropshire) |
Dorning,K.J. Palynology and stratigraphy of the Much Wenlock Limestone Formation of Dudley, Central England. |
1983 |
| details |
Llandoverian |
|
Argentina(San Juan) |
Melendi,D.L. et al. Palynological data from the Ordovician - Silurian Boundary of Talacasto Locality, (San Juan Province, Argentina) Part II. The microflora associated with Climacograptus putillus, (Hall). |
1983 |
| details |
Ludlovian |
Pridolian |
Spain |
Rodriguez Gonzalez,R.M. Palynology of the Upper Silurian-Lower Devonian Formations of the Cantabrica Cordillera, Northeast Spain. |
1983 |
| details |
Ordovician |
Silurian |
India(Himachal Pradesh) |
Khanna,A.K. et al. Reappraisal of stratigraphic status of Pin Dolomite |
1983 |
| details |
Wenlockian |
Early Ludlovian |
Greenland |
Armstrong,H.A. et al. Silurian palynomorphs from the Chester Bjerg Formation, Hall Land, western North Greenland |
1984 |
| details |
Givetian |
|
Libya |
Moreau-Benoit,A. Middle and Upper Devonian acritarchs and chitinozoans from Western Libya. |
1984 |
| details |
Early Gothlandian |
Early Telychian |
Wales(Carmarthenshire) |
Hill,P.J. et al. Appendix 1: Acritarchs. (The Llandovery Series of the type area. L.R.M.Cocks et al, editors) |
1984 |
| details |
Middle Wenlockian |
Early Ludlovian |
United Kingdom |
Downie,C. Acritarchs in British stratigraphy |
1984 |
| details |
Middle Ordovician |
Early Gothlandian |
India(Himachal Pradesh) |
Khanna,A.K. Lower Palaeozoic acritarchs from Pin Dolomite, Tethys Himalaya. (In: Proceedings, Symposium and Technical Sessions. R.S. Tiwari, editors) |
1984 |
| details |
Late Telychian |
Early Sheinwoodian |
England(Shropshire) |
Mabillard,J.E. et al. Microfossil distribution across the Base of the Wenlockian series in the type area |
1985 |
| details |
Early Gothlandian |
|
Libya |
Hill,P.J. et al. Silurian palynomorphs. (In: Palynology of Northeast Libya. B.Thusu and B.Owens, editors) |
1985 |