|   | 
Locality | 
Layer | 
 
 | 
Belgium, Namur, Boussu en Fagne, quarry behind church | 
Matagne Shale | 
 
 | 
Belgium, Namur, Dourbes, 1.2 km NE of Fagnolles | 
Matagne Shale | 
 
 | 
Belgium, Namur, Frasnes, 1r Terniat | 
Matagne Shale | 
 
 | 
Belgium, Namur, Mariembourg, betw. and Nismes, railw.cut | 
Matagne Shale | 
 
 | 
France, Bretagne, Ile Longue en Crozon, Finistère' | 
Base of Porsguen beds | 
 
 | 
France, Bretagne, Porsguen | 
Porsguen Fm. | 
 
 | 
France, Bretagne, Porsguen | 
Zorn Fm. | 
 
 | 
France, Montagne Noire, La Serre, trench C | 
13 | 
 
 | 
France, Montagne Noire, La Serre, trench C | 
14a-e | 
 
 | 
France, Montagne Noire, La Serre, trench C | 
14f,g | 
 
 | 
Germany, Eifel, Büdesheim | 
do Iþ | 
 
 | 
Germany, Harz, Aeketal | 
8 | 
 
 | 
Germany, Harz, Aeketal | 
unrecorded do I | 
 
 | 
Germany, Harz, Iberg | 
do I gamma | 
 
 | 
Germany, Rhenish Mountains, Adorf, Martenberg | 
do I | 
 
 | 
Germany, Rhenish Mountains, Adorf, Martenberg | 
do Iþ | 
 
 | 
Germany, Rhenish Mountains, Bicken | 
do I | 
 
 | 
Germany, Rhenish Mountains, Bicken | 
do IÙ | 
 
 | 
Germany, Rhenish Mountains, Dillenburg | 
do I | 
 
 | 
Germany, Rhenish Mountains, Eiserne Hand, Friedrich Mine | 
Roteisenstein | 
 
 | 
Germany, Rhenish Mountains, Langenaubach | 
do I | 
 
 | 
Germany, Rhenish Mountains, Oberscheld | 
Roteisenstein | 
 
 | 
Germany, Rhenish Mountains, Oberscheld, Seßacker, trench II | 
14 | 
 
 | 
Germany, Rhenish Mountains, Oberscheld, Seßacker, trench II | 
16 | 
 
 | 
Germany, Rhenish Mountains, Warstein, Schorenberg, Korff quarry | 
do I | 
 
 | 
Germany, Thuringia, Schleiz, Geipel quarry | 
4 | 
 
 | 
Germany, Thuringia, Tegau, Braunsberg | 
do I | 
 
 | 
Great Britain, England,Devonshire, Saltern Small Cove, Paignton | 
do I delta | 
 
 | 
Poland, Holy Cross Mountains, Plucki | 
Lower Kellwasser cephal.lmst. |