| details |
Siegenian |
Emsian |
W.Germany(Rhineland) |
Eschghi,I. et al. Chitinozoans from the Lower Devonian of the Western Rheinisches Schiefergebirge, (Germany). |
1984 |
| details |
Early Tremadocian |
|
USSR(Siberia) |
Obut,A.M. et al. Siberian Graptolite and chitinozoa assemblages at the Cambrian-Ordovician boundary |
1984 |
| details |
Late Ordovician |
|
USSR(Lithuanian SSR) |
Bagdasaryan,L.L. Phytoplankton from the lower oil bearing formations of the Baltic States. |
1969 |
| details |
Tremadocian |
Middle Caradocian |
USSR(Estonian SSR) |
Grahn,Y. Ordovician chitinozoa from Tallinn, Northern Estonia. |
1984 |
| details |
Ordovician |
|
USSR(Baltic) |
Myannil,R.M. The Zonal distribution of chitinozoans in the Ordovician of the East Baltic area. |
1972 |
| details |
Late Gothlandian |
Early Devonian |
USSR |
Laufeld,S. Chitinozoans. |
1977 |
| details |
Osagean |
Meramecian |
Texas |
Cornell,W.C. Chitinozoa and acritarchs from the Las Cruces Limestone (Osagean-Meramecian) |
1987 |
| details |
Ordovician |
|
Texas |
Kauffman,A.E. Chitinozoans in the subsurface Lower Paleozoic of West Texas |
1971 |
| details |
Ordovician |
Silurian |
Sweden |
Grahn,Y. Chitinozoa and the Ordovician-Silurian boundary in Southern Sweden. |
1977 |
| 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 |
Gedinnian |
Eifelian |
Spain |
Diez,M.D.C.R. et al. Chitinozoan zonation of the La Vid Formation (Gedinnian to Eifelian) in the Provinces of Leon and Oviedo, Spain. |
1977 |
| details |
Llanvirnian |
Llandeilian |
Spain |
Fombella,M.A. et al. New palynological results from the Oville Formation at Southwest Vozmediano, Leon (northwestern Spain). (In: Commision Internationale De |
1996 |
| details |
Early Gothlandian |
|
Saudi Arabia |
Hemer,D.O. Application of palynology in Saudia Arabia. |
1965 |
| details |
Wenlockian |
|
S.Ireland(Offaly) |
Holland,C.H. et al. Silurian rocks of the Capard Inlier, County Laois. |
1979 |
| details |
Ordovician |
|
S.Ireland(Clare) |
Downie,C. et al. Micropalaeontological evidence on the age of the Clara Group, (southeast Ireland). |
1968 |
| details |
Ordovician |
|
Romania |
Beju,D. The present stage of the palynological researches concerning the Antecretaceous of Romania. |
1971 |
| details |
Silurian |
|
Romania |
Nastaseanu,S. et al. Paleogeographic evolution of Carboniferous terrains. General summary of the Paleozoic of Rumania. |
1975 |