Group

Geology

Formations: Jiulongshan (3)

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

Paleoenvironments: terrestrial indet. (1), lacustrine - large (2)

Age range: base of the Callovian to the top of the Kimmeridgian or 165.30000 to 149.20000 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Callovian - Oxfordian165.3 - 154.8China (Nei Mongol) (117557 117610)
Kimmeridgian154.8 - 149.2China (Hebei) (154718)