Daohugou Member, Formation

Geology

Formation: Jiulongshan

Members: unnamed (54)

Lithologies: not reported (1), mudstone (4), "shale" (52), sandstone (1)

Paleoenvironments: terrestrial indet. (1), lacustrine - large (56)

Age range: base of the Oxfordian to the top of the Kimmeridgian or 163.50000 to 152.10000 Ma