|   | 
Locality | 
Layer | 
 
 | 
Algeria, Atlas (Algeria), Tagnana prominence | 
Middle Tagnana Fm. | 
 
 | 
Algeria, Saoura Valley, Béni Abbès,SW of | 
Tagnana Fa., up.Mb. | 
 
 | 
Belgium, Hainaut, Charbonnages d'Aiseau-Presles | 
Niveau S | 
 
 | 
Belgium, Hainaut, Charbonnages de Fontaine-l'Éveque | 
Niveau S | 
 
 | 
Belgium, Hainaut, Charbonnages de Forte-Taille | 
1., 562 m, Niveau R | 
 
 | 
Belgium, Hainaut, Charbonnages de Forte-Taille | 
2., 762 m, Niveau R | 
 
 | 
Belgium, Hainaut, Charbonnages de Forte-Taille | 
2., 825 m, Niveau R | 
 
 | 
Belgium, Hainaut, Charbonnages de Forte-Taille | 
694-702 m, Niveau S | 
 
 | 
Belgium, Hainaut, Charbonnages de Forte-Taille, sondage 2 | 
Niveau S | 
 
 | 
Belgium, Hainaut, Oignies-Aiseau | 
R2 | 
 
 | 
Belgium, Liège, Baulet, point 262 | 
R2 | 
 
 | 
Belgium, Liège, Noel-Sart-Culpart | 
R2-G1 | 
 
 | 
Belgium, Liège, Sondage du Soiron | 
R2b1 | 
 
 | 
Germany, Rhenish Mountains, Fröndenberg, Koehle-Stalinski brickpit | 
middle R2 | 
 
 | 
Germany, Rhenish Mountains, Fröndenberg | 
lower R2 | 
 
 | 
Germany, Rhenish Mountains, Hagen-Berchum, NE of Fley | 
middle R2 | 
 
 | 
Germany, Rhenish Mountains, Haspe | 
lower R2 | 
 
 | 
Germany, Rhenish Mountains, Haspe-Heubing,brickpit, Hagen-Haspe | 
Hagen Fm.,Haspe-Heubing Mb.,middle R2 | 
 
 | 
Germany, Rhenish Mountains, Haßlinghausen, Schmiedestraße brickpit | 
middle R2 | 
 
 | 
Germany, Rhenish Mountains, Haßlinghausen-Linderhausen road | 
R2 | 
 
 | 
Germany, Rhenish Mountains, Langerwehe, Gerhardine Stollen | 
R2b, lower horizon | 
 
 | 
Germany, Rhenish Mountains, Langerwehe, Gerhardine Stollen | 
R2b, upper horizon | 
 
 | 
Germany, Rhenish Mountains, Stolberg | 
lower R2 | 
 
 | 
Germany, Rhenish Mountains, Velbert, Rottberg | 
lower R2 | 
 
 | 
Germany, Rhenish Mountains, Wehe valley | 
R2b | 
 
 | 
Great Britain, England,Devonshire, Exeter, Perridge Tunnel | 
R2 | 
 
 | 
Great Britain, England,Yorkshire, Halifax | 
R2 | 
 
 | 
Ireland, Limerick Co., Abbeyfield, Rathcahill | 
R2 | 
 
 | 
Ireland, Limerick Co., Caher Lane | 
R2 | 
 
 | 
Morocco, Tafilalt, Oudjda à Berghent, route d' | 
Niveau b | 
 
 | 
Netherlands, Epen, Belletbeek | 
R2 | 
 
 | 
Netherlands, Epen, Frontier Belgium-Holland | 
R2 | 
 
 | 
Netherlands, Epen, Nieuwe Weg Bellet | 
R2 | 
 
 | 
Netherlands, Epen, Noordelijk Boschje | 
R2 | 
 
 | 
Netherlands, unrecorded, Boring 104 | 
364, Epengroup | 
 
 | 
Netherlands, unrecorded, Boring 106 | 
69-94, Epengroup | 
 
 | 
Netherlands, unrecorded, Boring 107 | 
1018-1044, Epengroup | 
 
 | 
Netherlands, unrecorded, Boring 116 | 
799-800, Epengroup | 
 
 | 
Netherlands, unrecorded, Boring LIII | 
560,5, Epengroup | 
 
 | 
Netherlands, unrecorded, Boring LVIII | 
316-455, Epengroup | 
 
 | 
Poland, Lublin Coal Basin, Niedrzwica 2 borehole | 
R2 | 
 
 | 
Poland, Lublin Coal Basin, Niedrzwica 3 borehole | 
R2 | 
 
 | 
Portugal, Southwest Portugal, Monte Vale Figuera | 
Quebradas Fm. |