| original |
Late Llandoverian |
Wenlockian |
Sweden |
Laufeld,S. Silurian chitinozoa from Gotland. |
1974 |
| details |
Late Llandoverian |
Early Wenlockian |
Europe |
Jenkins,W.A.M. et al. Stratigraphic ranges of selected chitinozoa. |
1979 |
| 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 |
Wenlockian |
|
England(Shropshire) |
Dorning,K.J. Silurian chitinozoa from the type Wenlock and Ludlow of Shropshire, England. |
1981 |
| details |
Early Wenlockian |
|
England(Shropshire) |
Bassett,M.G. The Wenlock Series in the Wenlock area. (In: A Global Standard for the Silurian System. C.H. Holland and M.G.Bassett, editors) |
1989 |
| details |
Wenlockian |
|
USSR(Latvian SSR) |
Nestor,V. On the distribution of Aberrant forms of chitinozoans in the Silurian of Estonia and West Latvia |
1990 |
| details |
Early Wenlockian |
|
Baltic |
Rubel,M. et al. Wenlock and Ludlov of North and West Saaremaa: locality 6:1 Pan Cliff |
1990 |
| details |
Late Llandoverian |
Early Wenlockian |
England(Shropshire) |
Verniers,J. Calibration of Chitinozoa versus graptolite biozonation in the Wenlock of Builth Wells district (Wales, U.K), compared with other areas in Avalonia and Baltica. |
1999 |
| details |
Early Wenlockian |
|
Wales(Powys) |
Verniers,J. Calibration of Chitinozoa versus graptolite biozonation in the Wenlock of Builth Wells district (Wales, U.K), compared with other areas in Avalonia and Baltica. |
1999 |
| details |
Telychian |
|
Canada(Quebec) |
Asselin,E. et al. Biostratigraphic significance of lower Paleozoic microfaunas from eastern Canada. |
2004 |
| details |
Telychian |
|
Canada(New Brunswick) |
Asselin,E. et al. Biostratigraphic significance of lower Paleozoic microfaunas from eastern Canada. |
2004 |