Haifanggou Formation
| Haifanggou Formation Stratigraphic range: Middle Jurassic |
|
|---|---|
| Type | Geological formation |
| Underlies | Tiaojishan Formation |
| Overlies | Beipiao Formation |
| Lithology | |
| Primary | Conglomerate |
| Other | Sandstone, mudstone, coal |
| Location | |
| Region | Inner Mongolia |
| Country |
 China
|
The Haifanggou Formation (also known as the Jiulongshan Formation) is a fossil-bearing rock deposit located near Daohugou village of Ningcheng County, in nner Mongolia, northeastern China.
The rocks consists of coarse conglomerates, sandstone, mudstone, and thin coal layers.
The formation dates from the Middle Jurassic.
A. neimengguensis
A. musicus
1 specimen
A stem-katydid
F. macularis
1 specimen
J. astictus
1 specimen
M. dunlopi
1 specimen
M. daohugoensis
1 specimen
S. ningchengensis
An aphid
...
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