details |
Llanvirnian |
|
Wales(Caernarvonshire) |
Molyneux,S.G. Advances and problems in Ordovician palynology in England and Wales |
1990 |
details |
Llandeilian |
|
Wales |
Trythall,R.J.B. et al. Age and controls of Ironstone deposition (Ordovician) North Wales. |
1987 |
details |
Llanvirnian |
Llandeilian |
Wales |
Young,T.P. Discussion of a revision of the age of the Hen-dy-capel Ooidal Ironstone, (Ordovician), Llanenga, North Wales. (T.P.Young and Reply T.P.Young) |
1993 |
details |
Llanvirnian |
|
W.Germany(Rhineland) |
Servais,T. The Ordovician acritarch Frankea. (In: Contributions to Acritarch and Chitinozoan Research. S.G.Molyneux and K.J.Doring, editors) |
1993 |
details |
Llanvirnian |
|
United Kingdom |
Downie,C. Acritarchs in British stratigraphy |
1984 |
details |
Llanvirnian |
|
Tunisia |
Vecoli,M. et al. Palynostratigraphy of Upper Cambrian-upper Ordovician intracratonic clastic sequences, North Africa. |
1999 |
details |
Llanvirnian |
|
Tunisia |
Vecoli,M. et al. The Ordovician acritarchs Frankea breviuscula, Frankea longiuscula, and Frankea sartbernardensis: A new study. |
1999 |
details |
Llanvirnian |
|
Syria |
Yankauskas,T.V. et al. The Paleozoic of Syria-Arabian Republic |
1978 |
details |
Early Llanvirnian |
|
Spain |
Vecoli,M. et al. The Ordovician acritarchs Frankea breviuscula, Frankea longiuscula, and Frankea sartbernardensis: A new study. |
1999 |
details |
Early Llanvirnian |
|
Spain |
Tongiorgi,M. et al. Differentiation and spread of the Baltic Acritarch Province (Arenig-Llanvirn). |
1999 |
details |
Llanvirnian |
|
Saudi Arabia |
Strother,P.K. et al. New evidence for land plants from the Lower Middle Ordovician of Saudi Arabia |
1996 |
details |
Llanvirnian |
|
Saudi Arabia |
Molyneux,S.G. et al. Palynology of a problematic lower Palaeozoic lithofacies in the central Arabian Basin, Saudi Arabia. |
2000 |
details |
Late Llanvirnian |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |
details |
Nd |
|
Nd |
Fatka,O. et al. The Ordovician acritarch Frankea: Some critical remarks. (In: Commision Internationale de microflore du Paleozoique (CIMP) Acritarch Subcommision: O.Fatka and T.Servais, editors) |
1996 |
details |
Ordovician |
|
Nd |
Servais,T. Some considerations on acritarch classification |
1996 |
details |
Llanvirnian |
|
Jordan |
Keegan,J.B. et al. Palynostratigraphy of the Lower Palaeozoic, Cambrian to Silurian, sediments of the Hashemite Kingdom of Jordan. (In: Special Issue: Circum-Mediterranean Palynology. B.Owens and H.Visscher, editors) |
1990 |
details |
Arenigian |
Llanvirnian |
Germany(Saxony) |
Walter,H. et al. Paleozoic microfossils from the northern Margin of the Erzgebir Mountains, (Saxony). |
1998 |