There are 3 matches
| Collection | Authorizer | Collection name | Reference |
|---|---|---|---|
| 112645 | M. Clapham | Pengga, Xainza County Wordian - Permian 4 - China | Liu and Wang (1987) |
| 120842 | M. Clapham | Xiala North ADG427-1, Xainza Wordian - Permian 4 - China | Xia (1986) |
| 120849 | M. Clapham | Xiala North ADG429, Xainza Wordian - Permian 4 - China | Xia (1986) |