Guifeng Group

Geology

Formations: Hekou (4), Tangbian (2)

Lithologies: not reported (3), mudstone (1), sandstone (3)

Paleoenvironments: terrestrial indet. (2), fluvial indet. (1), alluvial fan (2), lacustrine - small (1)

Age range: base of the Campanian to the top of the Maastrichtian or 83.60000 to 66.00000 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Santonian - Campanian85.7 - 72.2China (Jiangxi) (275762)
Campanian83.6 - 72.2China (Jiangxi) (237063)
Maastrichtian72.2 - 66.0China (Jiangxi) (220036 228656 232698 232699)