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LocNo: 6003Ongtan Fm.
Country: China
Province: Jiangsu
Locality: Shazhouxian, Dangqiao
Layer: Ongtan Fm.
Lower Boundary: Anderssonoceras/Prototoceras base, 260.4 million years
Upper Boundary: Anderssonoc./Prototoc.--Araxoc./Kongl., 258 million years
Georeference: