Yixian
101 occ.
79 taxa (10 genera)
1 countries
Description
The Yixian Formation is a geological formation in Jinzhou, Liaoning, People's Republic of China, that spans the Barremian stage of the Early Cretaceous. It is known for its exquisitely preserved fossils, and is mainly composed of basalts interspersed with siliciclastic sediments.
Genera
10 genera
Temporal range
252
201
145
66
0 Ma
Geological group / Member
Jehol / Jianshangou
34
Jehol / Lujiatun
29
Jehol
18
Jehol / Dakangpu
9
Jehol / Dawangzhangzi
7
Jehol / Jingangshan
4
Top countries
🇨🇳 China
101
Depositional environments
Lacustrine indet.
46
Terrestrial indet.
25
Fluvial indet.
13
Fluvial-lacustrine indet.
13
Large lake
4
Top collectors
Liang et al.
6
H. Zhu
3
Q. Wang
3
A local farmer
1
Bo Haichen and Bo Xue
1
Cui Xu
1
Hao
1
Liu Jingyi
1
Collection activity by decade
1990s
26
2000s
15