| |
Locality |
Layer |
|
Czech Republic, Bohemia, Praha-Hlubocepy |
upper Zlichov Lst. |
|
|
France, Bretagne, La Grange near Chalonnes |
Calcaire La Grange |
|
|
Germany, Hunsrück, Herrstein, Schielebach mine |
Hunsrück Shale |
|
|
Germany, Rhenish Mountains, Adorf, Martenberg |
terebratum Zone |