|   | 
Locality | 
Layer | 
 
 | 
Algeria, Sud Oranais, Cirque de Tagnana (Hadjer el Beida) | 
S3c Étage de Chabet Kerkour | 
 
 | 
Algeria, Sud Oranais, Col de Djenien | 
S4a Étage d'Ain el Mizab | 
 
 | 
Algeria, Sud Oranais, Ksar El Azoudj | 
S3b Étage Tala Roumia | 
 
 | 
Belgium, Namur, Bioul, Carrière Mutsaarts et puits | 
V3c | 
 
 | 
Belgium, Namur, Bioul, Carrière Noires-Terres | 
V3c | 
 
 | 
Belgium, Namur, Bioul, Carrière Prince de Merode | 
V3c | 
 
 | 
Belgium, Namur, Bois de Surinvaux | 
V3c | 
 
 | 
China, Ningxia, Chenmazijing of Zhongning | 
Zhongwei Fm. | 
 
 | 
Czech Republic, North Moravia, Chobot | 
Go beta fa-spi | 
 
 | 
Czech Republic, North Moravia, Dolní Zukov NP 339 borehole | 
Go beta mu-Go gamma 1 | 
 
 | 
Czech Republic, North Moravia, Habrovany P | 
Visean | 
 
 | 
Czech Republic, North Moravia, Hermánky I | 
Go beta mu-Go gamma 1 | 
 
 | 
Czech Republic, North Moravia, Hermánky II | 
Go gamma 2 | 
 
 | 
Czech Republic, North Moravia, Jakubcovice | 
Go beta mu-Go gamma 1 | 
 
 | 
Czech Republic, North Moravia, Jezkovice K | 
Visean | 
 
 | 
Czech Republic, North Moravia, Kajlovec | 
Go beta mu-Go gamma 1 | 
 
 | 
Czech Republic, North Moravia, Klokocov | 
Go beta mu-Go gamma 1 | 
 
 | 
Czech Republic, North Moravia, Lhota 1 | 
Visean | 
 
 | 
Czech Republic, North Moravia, Lulec | 
Visean | 
 
 | 
Czech Republic, North Moravia, Myslejovice I | 
Go beta mu-Go gamma 1 | 
 
 | 
Czech Republic, North Moravia, Nemojany I | 
Visean | 
 
 | 
Czech Republic, North Moravia, Nemojany-Horka B | 
Go beta mu-spi | 
 
 | 
Czech Republic, North Moravia, Olsovec I | 
Go beta mu-spi | 
 
 | 
Czech Republic, North Moravia, Opatovice 1 | 
Visean | 
 
 | 
Czech Republic, North Moravia, Opatovice 10 | 
Visean | 
 
 | 
Czech Republic, North Moravia, Opatovice 2 | 
Visean | 
 
 | 
Czech Republic, North Moravia, Opatovice 4 | 
Visean | 
 
 | 
Czech Republic, North Moravia, Opatovice 5 | 
Visean | 
 
 | 
Czech Republic, North Moravia, Opatovice 6 | 
Visean | 
 
 | 
Czech Republic, North Moravia, Opatovice 8 | 
Visean | 
 
 | 
Czech Republic, North Moravia, Pístovice K | 
Visean | 
 
 | 
Czech Republic, North Moravia, Pístovice S1 | 
Visean | 
 
 | 
Czech Republic, North Moravia, Pístovice Z | 
Visean | 
 
 | 
Czech Republic, North Moravia, Pístovice-Karlín | 
Go beta mu-spi | 
 
 | 
Czech Republic, North Moravia, Teplice nad Becvou | 
Go beta mu-Go gamma 1 | 
 
 | 
Czech Republic, North Moravia, Tichá NP 522 borehole | 
Go beta mu-Go gamma 1 | 
 
 | 
Czech Republic, North Moravia, Vlkovice - Fulnek | 
Go gamma 2 | 
 
 | 
Germany, Magdeburg, Dreileben 3 borehole | 
Go gamma 2 | 
 
 | 
Germany, Rhenish Mountains, Estinghausen, B229 roadcut | 
lower Go gamma 2 | 
 
 | 
Germany, Rhenish Mountains, Estinghausen, limekiln quarry | 
lower Go gamma 2 | 
 
 | 
Germany, Rhenish Mountains, Eulenspiegel road cut | 
lower Go gamma 2 | 
 
 | 
Germany, Rhenish Mountains, Oelinghausen, Kalte Lieth E | 
lower Go gamma 2 | 
 
 | 
Great Britain, England,Cornwall, Spara Bridge near Ashton Station | 
P2 | 
 
 | 
Great Britain, England,Derbyshire, Alport Dale Borehole | 
1075-1078 feet | 
 
 | 
Great Britain, England,Yorkshire, Skipton, Whinney Gill reservoir | 
A | 
 
 | 
Great Britain, England,Yorkshire, Skipton, Whinney Gill reservoir | 
E | 
 
 | 
Great Britain, England,Yorkshire, Skipton, Whinney Gill reservoir | 
G | 
 
 | 
Great Britain, England,Yorkshire, Skipton, Whinney Gill reservoir | 
H | 
 
 | 
Great Britain, England,Yorkshire, Skipton, Whinney Gill reservoir | 
I | 
 
 | 
Great Britain, Scotland,Fife, Dunfermline, Linn Quarry | 
Charleston Main Lst. | 
 
 | 
Great Britain, Scotland,Fife, Dunfermline, Roscobie Quarry | 
Charlestown Main Lst. | 
 
 | 
Morocco, Tafilalt, Gara el Itima,ENE Taouz,Hamada Guir | 
up.Viséan or low.Namurian, undifferent. | 
 
 | 
Morocco, Tafilalt, Taouz, near, locality unrecognized | 
up.Viséan or low.Namurian, undifferent. | 
 
 | 
Poland, Holy Cross Mountains, Galezice, borehole G3 | 
Go gamma 1-lower Go gamma 2 | 
 
 | 
Poland, Holy Cross Mountains, Galezice, borehole G4 | 
Go gamma 1-lower Go gamma 2 | 
 
 | 
Poland, Holy Cross Mountains, Galezice, borehole G5 | 
Go gamma 1-lower Go gamma 2 | 
 
 | 
Poland, Lower Silesia (Dolny Slask), Lanki 1 borehole | 
Go gamma, 2291,9-2342,6 m | 
 
 | 
Poland, Lublin Coal Basin, Abramów 1 borehole | 
Go gamma, 2519,6-2461,7 m | 
 
 | 
Poland, Lublin Coal Basin, Abramów 5 borehole | 
Go gamma, 2032,5-2026,5 m | 
 
 | 
Poland, Lublin Coal Basin, Abramów 9 borehole | 
Goþ, 2312-2198 m | 
 
 | 
Poland, Lublin Coal Basin, Dolhobyczów IG1 borehole | 
E1, 974-1102,8 m | 
 
 | 
Poland, Lublin Coal Basin, Hrubieszów IG1 borehole | 
E1, 1007,5 m | 
 
 | 
Poland, Lublin Coal Basin, Husynne IG1 borehole | 
E1, 682 m | 
 
 | 
Poland, Lublin Coal Basin, Kosmów IG1 borehole | 
E1, 906,1-865,8 m | 
 
 | 
Poland, Lublin Coal Basin, Mircze IG1 borehole | 
E1, 947,9-948,9 m | 
 
 | 
Poland, Lublin Coal Basin, Swidnik 3 borehole | 
Go gamma, 1608-1614 m | 
 
 | 
Poland, Lublin Coal Basin, Wiercenie Kock 5 borehole | 
Go gamma, 1552,2-1546 m | 
 
 | 
Poland, Upper Silesian Coal Basin, Marszowice 1 borehole | 
Go gamma | 
 
 | 
Russian Federation, Novaia Zemlia, Gribov Bay, w side of cape Gorsk | 
Serpukhovian, unrecognized | 
 
 | 
USA, Arkansas, Independence Co., Salado, Pine Mountain section | 
Ruddel Shale, middle part |