| Xidagou Formation Stratigraphic range: Middle Permian |
|
|---|---|
| Type | Geological formation |
| Location | |
| Region | Asia |
| Country |
|
The Xidagou Formation is a Middle Permian-age geologic formation in the Qilian Mountains of Gansu, China.
B. qilianicus
S. yumenensis
S. acidentatus
A skull (IGCAGS V 361) and fragmentary jaw bones
Jr. synonym of Sinophoneus yumenensis
R. dashankouensis