There are 2 matches
| Collection | Authorizer | Collection name | Reference |
|---|---|---|---|
| 114167 | M. Clapham | Yunyaga River, Pechora Basin Artinskian - Permian 2 - Russian Federation | Muromtseva and Guskov (1984) |
| 151842 | M. Clapham | Tobonno River, upper Allakh-Yun River (coll. Astafieva) Wordian - Permian 4 - Russian Federation | Astafieva (1993) |