Jiayin Group

Geology

Formations: Yong'ancun (1), Yuliangzi (1)

Lithologies: not reported (1), mudstone (1), sandstone (1)

Paleoenvironments: terrestrial indet. (1), "floodplain" (1)

Age range: base of the Cenomanian to the top of the Maastrichtian or 100.50000 to 66.00000 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Cenomanian100.5 - 93.9China (Heilongjiang) (45393)
Maastrichtian72.1 - 66.0China (Heilongjiang) (37811)