| details |
Late Ashgillian |
Early Llandoverian |
South Africa |
Gray,J. et al. Age of the Cedarberg Formation, South Africa and early land plant evolution. |
1986 |
| details |
Silurian |
|
Ohio |
Gray,J. et al. Palynological evidence bearing on the Ordovician Silurian Paraconformity in Ohio |
1972 |
| details |
Llandoverian |
|
New York |
Gray,J. et al. Early Silurian spore tetrads from New York earliest new world evidence for vascular plants. |
1971 |
| details |
Ludlovian |
|
Pennsylvania |
Gray,J. et al. Early Silurian spore tetrads from New York earliest new world evidence for vascular plants. |
1971 |
| details |
Wenlockian |
Ludlovian |
Sweden |
Gray,J. et al. Silurian trilete spores and spore tetrads from Gotland. |
1974 |
| details |
Ordovician |
Silurian |
Turkey |
Goodarzi,F. Reflected light microscopy of chitinozoan fragments |
1985 |
| details |
Late Cambrian |
|
Spain |
Fombella Blanco,M.A. Resemblances and differences between the palynological associations of Upper Cambrian age in the northwest of Spain, (Vozmediano), and North of Africa. |
1987 |
| details |
Silurian |
|
Turkey |
Erkmen,U. Acritarch biofacies of Bedinan Formation in southeastern Anatolia and its paleogeographical interpretation. |
1978 |
| details |
Arenigian |
Llanvirnian |
Morocco |
Elaouad-Debbaj,Z. Arenigian - Llanvirnian acritarchs and chitinozoans from the Anti-Atlas, (Morocco). |
1984 |
| details |
Caradocian |
Ashgillian |
Morocco |
Elaouad-Debbaj,Z. Acritarchs from the Upper Ordovician (Caradoc-Ashgill) of the Anti-Atlas, Morocco. |
1988 |
| details |
Early Sheinwoodian |
|
Czechoslovakia(Bohemia) |
Dufka,P. Mazuelloids from the Lower Silurian of the Prague Basin (Barrandian, Bohemian Massif) |
1991 |
| details |
Fronian |
|
Canada(Anticosti Island) |
Duffield,S.L. Land-derivied microfossils from Jupiter Formation (Upper Llandoverian) Anticosti Island,Quebec. |
1985 |
| details |
Early Paleozoic |
|
Zambia |
Drysdall,A.R. et al. Fossils of Zambia. |
1973 |
| details |
Early Paleozoic |
|
Africa |
Drysdall,A.R. et al. Fossils of Zambia. |
1973 |
| details |
Ordovician |
Silurian |
France(Vosges) |
Doubinger,J. Ordovician and Silurian chitinozoans of the Schistes of Steige in the Vosges. |
1963 |
| details |
Middle Devonian |
|
Algeria |
Doubinger,J. Discovery of new micro-organisms in the Middle Devonian of the Sahara. |
1966 |
| details |
Llandoverian |
Ludlovian |
England(Shropshire) |
Dorning,K.J. Distribution of Silurian palynomorphs from Wales and the Welsh Borderland |
1984 |