There are 3 matches
| Collection | Authorizer | Collection name | Reference |
|---|---|---|---|
| 84719 | J. Mueller | Inta city, PIN 570, PIN 3950 Ufimian - Permian 2 - Russian Federation | Ivakhnenko (1990) |
| 180643 | R. Butler | Pechora River, PIN 1582 Ufimian - Permian 2 - Russian Federation | Gubin (1983) |
| 232601 | J. Flannery-Sutherland | Dozmer, Pechora River Kungurian - Permian 2 - Russian Federation | Esin and Bakaev (2022) |