| original |
Middle Gothlandian |
|
New York |
Loeblich,A.R.III Morphology, ultrastructure and distribution of Paleozoic acritarchs. |
1970 |
| details |
Silurian |
|
Nd |
Downie,C. Observations on the nature of the acritarchs |
1973 |
| details |
Ludlovian |
|
Indiana |
Wood,G.D. Acritarchs and Trilete spores from the Mississinewa Shale of northern Indiana. |
1975 |
| details |
Early Devonian |
|
Tennessee |
Reaugh,A.B. et al. Acritarchs and chitinozoans from the Lower Devonian (Helderbergian) Birdsong Shale, Decatur County, Tennessee. |
1977 |
| details |
Wenlockian |
|
Indiana |
Wood,G.D. Acritarchs, spores, and plant detritus from the Silurian, (Wenlockian) Waldron Shale of southeastern Indiana. |
1978 |
| details |
Late Llandoverian |
Early Wenlockian |
S.Ireland(Galway) |
Emo,G.T. et al. Palynological evidence for the age of the Lower Palaeozoic rocks of Slieve Aughty, Counties Clare and Galway. |
1978 |
| details |
Late Llandoverian |
Late Wenlockian |
S.Ireland(Clare) |
Emo,G.T. et al. Palynological evidence for the age of the Lower Palaeozoic rocks of Slieve Aughty, Counties Clare and Galway. |
1978 |
| details |
Nd |
|
Nd |
Cramer,F.H. et al. Lower Paleozoic acritarchs. |
1979 |
| details |
Wenlockian |
|
S.Ireland(Offaly) |
Holland,C.H. et al. Silurian rocks of the Capard Inlier, County Laois. |
1979 |
| details |
Early Paleozoic |
|
Ghana |
Riegel,W. et al. Lower Paleozoic acritarchs of the Sekondi Series of Ghana (West Africa). |
1980 |
| details |
Wenlockian |
|
Wales |
Aldridge,R.J. et al. Distribution of microfossil Groups across the Wenlock Shelf of the Welsh Basin. |
1981 |
| details |
Silurian |
|
Ireland |
Smith,D.G. Progress in Irish Lower Palaeozoic palynology. |
1981 |
| details |
Dinantian |
|
Ireland |
Smith,D.G. Progress in Irish Lower Palaeozoic palynology. |
1981 |
| details |
Gorstian |
Ludfordian |
Wales(Brecknockshire) |
Dorning,K.J. Silurian acritarch distribution in the Ludlovian shelf Sea of South Wales and Welsh Borderland. (In: Microfossils from Recent and Fossil Shelf Seas. J.W.Neale and M.D. Brasier. editors) |
1981 |
| details |
Gorstian |
Ludfordian |
Wales(Carmarthenshire) |
Dorning,K.J. Silurian acritarch distribution in the Ludlovian shelf Sea of South Wales and Welsh Borderland. (In: Microfossils from Recent and Fossil Shelf Seas. J.W.Neale and M.D. Brasier. editors) |
1981 |
| details |
Early Gothlandian |
|
Europe |
Dorning,K.J. Paleozoic marine Shelf acritarchs |
1984 |
| details |
Early Gothlandian |
|
North America |
Dorning,K.J. Paleozoic marine Shelf acritarchs |
1984 |