Locality Layer
China, Xizang, Rutog Co., Jiaomozhaka, Gerze area Lower Carboniferous
France, Pyrenees,West (France), Aspe Valley, between Urdos and Etsaut Cephalopod lmst.,unrecognized
Germany, Rhenish Mountains, Liebstein near Erdbach Erdbacher Kalk
Spain, Palencia, Barruelo Region, Villabellaco 1-3 m above base of Villabellaco Fm.
Spain, Palencia, Barruelo Region, Villabellaco 5 m above base of Villabellaco Fm.