| details |
Ordovician |
Silurian |
USSR(Buryat ASSR) |
Butov,Y.P. Certain problems of Pre-Mesozoic stratigraphy of the Sayan-Baikal Mountain Area. 1: Crysis of traditional stratigraphy. |
1985 |
| details |
Middle Ordovician |
|
Nd |
Achab,A. Provincialism of Ordovician chitinozoans. |
1988 |
| details |
Nd |
|
Nd |
Bockelie,T.G. The internal structures of species of Lagenochitina and Conochtina. |
1980 |
| details |
Late Ordovician |
|
India |
Prasad,K.N. Review of Precambrian microfossils from Peninsular India. (In: Stromatolites, Characteristics and Utility) |
1980 |
| details |
Ordovician |
|
Italy |
Gansser,A. et al. Prealpine events along the eastern Insubric Line (Tonale Line, Northern Italy). |
1988 |
| details |
Ordovician |
Silurian |
Romania |
Stanoiu,I. et al. Metamorphosed Paleozoic and Mesozoic Formations of the Mehedinti-Retezat Unit |
1983 |
| details |
Early Ordovician |
|
Spain |
KonzalovŠ,M. et al. New micropalaeontological data on the Lower Palaeozoic of the Catalan Pyrenees Axial Zone. |
1982 |
| details |
Early Tremadocian |
|
Spain |
Fombella Blanco,M.A. Diachronism and palynology of the Cambrian-Ordovician transition of the Province of Leon, northern Spain |
1986 |
| details |
Ordovician |
Gothlandian |
Nd |
Matthes,H.W. Introduction to micropaleontology |
1956 |
| details |
Early Tremadocian |
|
USSR(Siberia) |
Obut,A.M. et al. Siberian Graptolite and chitinozoa assemblages at the Cambrian-Ordovician boundary |
1984 |
| details |
Early Caradocian |
|
France(Finistere) |
Henry,J.L. Micro-organisms incertae sedis (acritarchs and chitinozoans) of the Ordovician of the Crozon Peninsula (Finistere). Beds of Mort-Anglaise and Kerglintin. |
1969 |
| details |
Middle Devonian |
|
France(Finistere) |
Deunff,J. On one series of acritarchs of the Middle Devonian of Finistere. |
1965 |
| details |
Llanvirnian |
Early Llandeilian |
Morocco |
Rahmani,K. Palynological study of the Paleozoic in the Region of Rabat, dating the Ordovician. |
1979 |
| details |
Silurian |
Devonian |
Czechoslovakia |
PacltovŠ,B. Further micropaleontological data for the Paleozoic age of Moldanubian Carbonate Rocks |
1980 |
| details |
Ordovician |
|
Argentina(La Rioja) |
Volkheimer,W. et al. Ordovician chitinozoas of the Gualcamayo Formation in the type locality southwest of Guandacol, pre-cordillera of Rioja, Reublic of Argentina. |
1978 |