Guifeng Group
Geology
Formations: Hekou (3)
Lithologies: not reported (2), sandstone (1)
Paleoenvironments: fluvial indet. (1), alluvial fan (2)
Age range: Maastrichtian or 72.10000 to 66.00000 Ma
Collections
Time interval | Ma | Country or state | Original ID and collection number |
---|---|---|---|
Maastrichtian | China (Jiangxi) | (220036) | |
Maastrichtian | China (Zhanggong) | (232699) | |
Maastrichtian | China (Gansu) | (232698) |