| details |
Wenlockian |
|
Wales |
Aldridge,R.J. et al. Distribution of microfossil Groups across the Wenlock Shelf of the Welsh Basin. |
1981 |
| details |
Ludlovian |
Downtonian |
Wales |
Warren,P.T. The significance of recent research in Britain on the Ludovian-Downtonian boundary. (In: The boundary between the Silurian and Devonian and Biostratigraphy of the Silurian. D.V.Nalivkin, editors) |
1971 |
| details |
Homerian |
|
Wales |
Rombouts,L.P. Factors controlling the distribution of chitinozoa in the Gleedon Chronozone, (Wenlockian) of northern Europe. |
1982 |
| details |
Middle Ludlovian |
|
USSR(Ukrainian SSR) |
Obut,A.M. On the geographical distribution, comparative morphology, ecology, phylogeny, and the taxonomic position of chitinozoa. |
1973 |
| details |
Silurian |
|
USSR(Russian Platform) |
Umnova,N.I. Ordovician and Silurian chitinozoa from the northern part of the Russian Platform. |
1981 |
| details |
Early Wenlockian |
|
USSR(Russian Platform) |
Laufeld,S. Chitinozoa and correlation of the Molodova and Restevo Beds of Podolia, USSR. |
1971 |
| details |
Early Wenlockian |
Late Wenlockian |
USSR(Estonian SSR) |
Nestor,V. Chitinozoan Zonal Assemblages, (Wenlock, Estonia). |
1982 |
| details |
Late Llandoverian |
|
USSR(Estonian SSR) |
Nestor,V. Distribution of chitinozoans in the Late Llandoverian Rumba Formation (Pentamerus Oblongus Beds) of Estonia |
1984 |
| details |
Silurian |
|
USSR(Estonian SSR) |
Eisenack,A. Microfossils from the Silurian of Esthonia and the Isle of Osel |
1970 |
| details |
Wenlockian |
|
USSR(Estonian SSR) |
Nestor,V. Zonal distribution of chitinozoans in the Wenlockian Jaani Stage of Estonia and the problem of its upper boundary. (In: Stratigraphy of older Paleozoic deposits of the Baltic Regions. R.M. Miannil and K.A. Mens, editors) |
1984 |
| details |
Late Llandoverian |
Wenlockian |
USSR(Estonian SSR) |
Nestor,V. Chitinozoans at the Llandovery-Wenlock transition in the Jaagarahu core, Estonia. |
1993 |
| details |
Early Aeronian |
Late Telychian |
Sweden(Gotland) |
Grahn,Y. Lower Silurian chitinozoa and biostratigraphy of subsurface Gotland. |
1995 |
| details |
Early Aeronian |
Late Telychian |
Sweden(Gotland) |
Grahn,Y. Lower Silurian chitinozoa and biostratigraphy of subsurface Gotland. |
1995 |
| details |
Middle Wenlockian |
Ludlovian |
Sweden(Gotland) |
Grahn,Y. Upper Silurian (Upper Wenlock-Lower Pridoli) chitinozoa and biostratigraphy of Skane, Southern Sweden. |
1996 |
| details |
Late Llandoverian |
Early Wenlockian |
Sweden |
Laufeld,S. Chitinozoans. |
1979 |
| details |
Silurian |
|
Sweden |
Laufeld,S. Foraminifers. (In: Lower Wenlock faunal and flora dynamics-Vattenfallet section, Gotland. V.Jaanusson, S.Laufeld and R.Skoglund, editors) |
1979 |
| details |
Homerian |
|
Sweden |
Rombouts,L.P. Factors controlling the distribution of chitinozoa in the Gleedon Chronozone, (Wenlockian) of northern Europe. |
1982 |