There are 3 matches
| Collection | Authorizer | Collection name | Reference |
|---|---|---|---|
| 104992 | M. Clapham | Soyana (PIN collection 3353) (coll. Sharov 1972) Roadian - Permian 3 - Russian Federation | Aristov (2008) |
| 116456 | M. Clapham | Tikhie Gory (PIN collection 2065) (coll. Martynov 1926) Roadian - Permian 3 - Russian Federation | Martynov (1928) |
| 116803 | M. Clapham | Tikhie Gory (PIN collection 2295) (= Silent Mountains / coll. Martynov 1928) Roadian - Permian 3 - Russian Federation | Martynov (1930) |