|   | 
Locality | 
Layer | 
 
 | 
Algeria, Saoura Valley, Marhouma,km30,Profile I | 
41 (Göddertz, 1987) | 
 
 | 
Algeria, Saoura Valley, Zeghamra | 
Givetian,upper | 
 
 | 
China, Shaanxi,Tewo Co.,Quinling Mts., Yiwa ravine | 
Pulai Fm. | 
 
 | 
Germany, Rhenish Mountains, Adorf, Martenberg | 
terebratum Zone | 
 
 | 
Morocco, Tafilalt, Gaat Foum Yeraifa,Akka | 
ensensis Z. | 
 
 | 
Morocco, Tafilalt, Hachguig | 
Givetian,lower |