| details |
Ordovician |
Silurian |
India(Himachal Pradesh) |
Khanna,A.K. et al. Reappraisal of stratigraphic status of Pin Dolomite |
1983 |
| details |
Ordovician |
Silurian |
Belgium |
Martin,F. The acritarchs from the Belgian Ordovician and Silurian. Determination and stratigraphic value. |
1968 |
| 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 |
Tremadocian |
Ludlovian |
Czechoslovakia |
Ivanicka,J. et al. Results of biostratigraphical study in part of Gelnica Group. |
1989 |
| details |
Llanvirnian |
Llandeilian |
England(Cumberland) |
Wadge,A.J. et al. A probable Didymograptus murchisoni zone fauna from the Lake District. |
1969 |
| details |
Arenigian |
Llandeilian |
Belgium |
Martin,F. Acritarchs of Sart-Bernard (Belgian Ordovician) |
1965 |
| details |
Early Eifelian |
Givetian |
China(Heilungkiang) |
Ouyang,S. Microfossils from the Devonian Heitai Formation of Mishan County, Heilungjiang Province. |
1984 |
| details |
Eifelian |
Givetian |
China(Heilungkiang) |
Su,Y. et al. A second time study of the Devonian "Heitai Formation" in the type locality of eastern Heilongjiang Province |
1983 |
| details |
Frasnian |
Famennian |
Nd |
Diez,M.D.C.R. et al. Range chart of selected Lower Paleozoic acritarch Taxa. |
1974 |
| 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 |
Late Arenigian |
Early Llanvirnian |
England(Cumberland) |
Lister,T.R. et al. Microfossils from the Cleaved Skiddaw Slates of Murton Pike and Brownber (Cross Fell Inlier). |
1969 |
| 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 |
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 |
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 |
Albian |
|
Canada(Ontario) |
Legault,J.A. et al. Palynological evidence for recycling of Upper Devonian into Lower Cretaceous of the Moose River Basin, James Bay Lowland, Ontario. |
1982 |
| details |
Early Ordovician |
|
China(Hopei) |
Li,Z.P. Acritarchs from the Upper Machiakou Formation of North China and its geological age. |
1982 |
| details |
Frasnian |
|
W.Germany(N.Rhine) |
Amirie,G.H.B. Phytoplankton of the Frasnian of Bergisch Syncline of the North Rhineland |
1984 |