original |
Late Wenlockian |
|
Sweden |
Laufeld,S. et al. The boundary between the Silurian Cyrtograptus and Colonus Shales in Skane, Southern Sweden. |
1975 |
original |
Homerian |
|
Sweden |
Rombouts,L.P. Factors controlling the distribution of chitinozoa in the Gleedon Chronozone, (Wenlockian) of northern Europe. |
1982 |
original |
Homerian |
|
England(Shropshire) |
Rombouts,L.P. Factors controlling the distribution of chitinozoa in the Gleedon Chronozone, (Wenlockian) of northern Europe. |
1982 |
original |
Homerian |
|
Wales |
Rombouts,L.P. Factors controlling the distribution of chitinozoa in the Gleedon Chronozone, (Wenlockian) of northern Europe. |
1982 |
original |
Homerian |
|
Poland |
Rombouts,L.P. Factors controlling the distribution of chitinozoa in the Gleedon Chronozone, (Wenlockian) of northern Europe. |
1982 |