| details |
Tremadocian |
|
USSR |
Eisenack,A. et al. Catalog of fossil dinoflagellates, hystrichospheres and related microfossils. Acritarchs. |
1976 |
| details |
Tremadocian |
|
Belgium |
Vanguestaine,M. New palynological information on the Lower Ordovician from the Senne Basin, Massif du Brabant, Belgium. |
1977 |
| details |
Acadian |
Tremadocian |
Nd |
Diez,M.D.C.R. et al. Range chart of selected Lower Paleozoic acritarch Taxa. 2: Index to Parts 1 and 2. |
1977 |
| details |
Tremadocian |
|
England |
Warrington,G. et al. Micropalaeontological biostratigraphy of offshore samples from South-West Britain. |
1977 |
| details |
Early Emsian |
Middle Emsian |
England(Oxfordshire) |
Richardson,J.B. et al. Palynological evidence for the age and provenance of the Lower Old Red Sandstone from the Apley Barn Borehole, Winey, Oxfordshire. |
1978 |
| details |
Early Tremadocian |
|
Spain |
Fombella,M.A. Palynology of the Oville Formation, north and south Cantabrian Mountains. |
1978 |
| details |
Tremadocian |
|
Wales(Carmarthenshire) |
Tappin,D.R. et al. New Tramadoc strata at outcrop in the Bristol Channel. |
1978 |
| details |
Middle Emsian |
|
England(Oxfordshire) |
Richardson,J.B. et al. Palynomorphs in Lower Devonian sediments from the Apley Barn borehole, Southern England. |
1978 |
| details |
Tremadocian |
|
Canada(Newfoundland) |
Dean,W.T. et al. Lower Ordovician acritarchs and Trilobites from Bell Island, Eastern Newfoundland. |
1978 |
| details |
Tremadocian |
|
Ireland(Isle Of Man) |
Molyneux,S.G. New evidence for the age of the Manx Group, Isle of Man. |
1979 |
| details |
Tremadocian |
Early Arenigian |
Spain |
Wolf,R. The Lower and Upper boundary of the Ordovician System of some selected regions, (Celtiberia, Eastern Sierra Morena) in Spain. Part 1: The Lower Ordovician Sequence of Celtiberia. |
1980 |
| details |
Tremadocian |
|
Canada(Newfoundland) |
Martin,F. et al. Middle and Upper Cambrian and Lower Ordovician acritarchs from Random Island, Eastern Newfoundland. |
1981 |
| details |
Tremadocian |
|
Argentina |
Bultynck,P. et al. Lower Ordovician conodonts and acritarchs and Lower Silurian acritarchs of the northern part of the Argentinian Cordillera. |
1982 |
| details |
Tremadocian |
|
Canada(Newfoundland) |
Martin,F. Some aspects of Late Cambrian and Early Ordovician acritarchs. |
1982 |
| details |
Late Ashgillian |
|
Czechoslovakia |
VavrdovЎ,M. Recycled acritarchs in the Uppermost Ordovician of Bohemia |
1982 |
| details |
Tremadocian |
|
Spain |
Fombella Blanco,M.A. Palynological determination of the Tremadocian in locality of Verdiago, Leon Province, the North of Spain |
1982 |
| details |
Late Ordovician |
|
Czech Republic |
VavrdovЎ,M. Paleocommunities of Lower Palaeozoic microplankton. |
1982 |