2005 Nikolaeva & Bogoslovskii: 35, text-fig.10, bed 10-15. Locality of Zharnaarkinsk region, at right bank of
Sherubai-Nuga River, SW of village Dzhalair, NW of village Dzhartas. 5-6 km to the E: red and grey
cephalopod limestones with many ammonoids.
LocNo: 7531do IV, annulata zone