There are 2 matches
| Collection | Authorizer | Collection name | Reference |
|---|---|---|---|
| 2511 | M. Patzkowsky | Oka River-2 Berriasian - Cretaceous 1 - Russian Federation | Saks, ed (1975) |
| 2513 | M. Patzkowsky | Oka River-4 Berriasian - Cretaceous 1 - Russian Federation | Saks, ed (1975) |