|   | 
Locality | 
Layer | 
 
 | 
Algeria, Algéro-marocains, Confins, Haci-Diab (Hassi Diab),S Djebel Grouz | 
Schistes à Proshumardites | 
 
 | 
Belgium, Liège, Visé | 
Calcaire de Visé (assise VI de Koninck) | 
 
 | 
Great Britain, England,Devonshire, Coddon Hill | 
B2-P1a | 
 
 | 
Great Britain, England,Devonshire, Holcombe Regis, Westleigh | 
B2-P1a | 
 
 | 
Great Britain, England,Devonshire, Lew Trenchard | 
B2-P1a | 
 
 | 
Great Britain, England,Devonshire, Trescot | 
P1a | 
 
 | 
Great Britain, England,Yorkshire, Barnoldswick, Cowdale Clough | 
Co1 | 
 
 | 
Great Britain, England,Yorkshire, Barnoldswick, Cowdale Clough | 
Co5 | 
 
 | 
Great Britain, England,Yorkshire, Bolland | 
P1a | 
 
 | 
Great Britain, England,Yorkshire, Glassington | 
B2-P1a | 
 
 | 
Poland, Holy Cross Mountains, Galezice | 
Ostrówka,railway cut,horizon unrecorded | 
 
 | 
Russian Federation, Subpolar Urals, Komi, Betyu River | 
Betyu River | 
 
 | 
Russian Federation, Subpolar Urals, Komi, Betyu River, Betyu River | 
Upper Visean | 
 
 | 
Spain, León, Gildar-Montó Region, Collado de Anzo, W of | 
Alba Fm., lower part | 
 
 | 
Spain, Oviedo (Asturias), Entrellusa | 
Marbre Griotte | 
 
 | 
Spain, Oviedo (Asturias), Llanes, Punta Vallota | 
Marbre Griotte | 
 
 | 
Spain, Oviedo (Asturias), Margolles | 
Marbre Griotte |