Dabeigou Formation
Geology
Members: unnamed (14)
Lithologies: not reported (3), "siliciclastic" (1), mudstone (7), "shale" (2), coal (1)
Paleoenvironments: terrestrial indet. (4), lacustrine - large (6), lacustrine indet. (4)
Collections
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Valanginian - Hauterivian | China (Hebei) | (276554) | |
| Hauterivian | China (Hebei) | (107218) | |
| Late/Upper Hauterivian | China (Hebei) | (111077 113484 154962 155167 155170 156324 164500 193736 193737) | |
| Hauterivian - Barremian | China (Hebei) | (85261 220819) | |
| Barremian | China (Hebei) | (197953) |