| details |
Wenlockian |
|
S.Ireland(Offaly) |
Holland,C.H. et al. Silurian rocks of the Capard Inlier, County Laois. |
1979 |
| details |
Wenlockian |
|
Romania |
Iordan,M. et al. Litho and biostratigraphy of the Paleozoic Sequences in the Oprisor and Girla Mare Boreholes, (southwestern part of the Moesian Platform). |
1985 |
| details |
Wenlockian |
|
France(Loire Atlantique) |
Moreau-Benoit,A. Stratigraphic palynology of the Silurian and Devonian in the southeast part of the Breton Massif, (Saint-Julien-de-Vouantes and Ancenis Synclinoria). |
1972 |
| details |
Wenlockian |
|
Canada(Ontario) |
Thusu,B. Acritarchs of the Middle Silurian Rochester Formation of Southern Ontario |
1973 |
| details |
Wenlockian |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |
| details |
Wenlockian |
|
New York |
Thusu,B. Acritarchs from the Ilion Shale (Wenlockian), Utica, New York |
1973 |
| details |
Wenlockian |
Ludlovian |
USSR(Tuvinskaya A.O.) |
Sheshegova,L.I. Phytoplankton of the Silurian from the Tuva, (the section of the "Elegest"). |
1975 |
| details |
Tremadocian |
Arenigian |
Spain |
Wolf,R. Acritarchs of the Tremadocian Keltiberien (northeast Spain). |
1980 |
| details |
Tremadocian |
Early Llanvirnian |
Ireland(Isle Of Man) |
Molyneux,S.G. New evidence for the age of the Manx Group, Isle of Man. |
1979 |
| details |
Tremadocian |
Early Ashgillian |
United Kingdom |
Downie,C. Acritarchs in British stratigraphy |
1984 |
| 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 |
|
Algeria |
Combaz,A. On a microbiota of Tremadocian age at Hassi-Messaoud. |
1967 |
| details |
Tremadocian |
|
Morocco |
Deunff,J. On a new form of acritarch possessing a polar aperture, (Veryhachium niloni, n.sp.), and on the presence of a colony of Veyhachium from the Tremadocian of Morocco. |
1968 |
| details |
Tremadocian |
|
France(Herault) |
Martin,F. Acritarchs of the Lower Ordovician of the Montagne Noire (Herault, France). |
1972 |
| details |
Tremadocian |
Ludlovian |
Algeria |
Jardin©,S. et al. Stratigraphic distribution of acritarchs in the Palaeozoic of the Algerian Sahara. |
1974 |
| details |
Tremadocian |
|
USSR(Estonian SSR) |
Aristova,K.E. Assemblages of microplant fossils of Lower and Middle Ordovician type sections of Estonia |
1976 |
| details |
Tremadocian |
Late Arenigian |
Morocco |
Swain,F.M. Notes on Paleozoic acritarchs from the Atlantic Margins. (In: Stratigraphic Micropaleontology of Atlantic Basin and Borderlands. F.M.Swain, editor) |
1977 |