There are 3 matches
| Collection | Authorizer | Collection name | Reference |
|---|---|---|---|
| 109628 | M. Clapham | Mingshan Coalfield, Loping Area (coll. Baron Ferdinand von Richthofen) Lopingian - Permian 4 - China | Kayser (1883) |
| 112091 | M. Clapham | Zhongying Section Bed 25 (QZ-7), Qinglong County Changhsingian - Permian 4 - China | Yao et al. (1980) |
| 120145 | M. Clapham | Matan Section Act506, Heshan Wuchiapingian - Permian 4 - China | Wang (1982) |