There are 6 matches
| Collection | Authorizer | Collection name | Reference |
|---|---|---|---|
| 104057 | M. Clapham | Kargala (PIN collection 199) (coll. Martynova & Sviridov 1938) Capitanian - Permian 4 - Russian Federation | Aristov (2004) |
| 113379 | M. Clapham | Chekarda, Sylva River (PIN collection 99) (coll. Permiakova 1931) Kungurian - Permian 2 - Russian Federation | Martynov (1940) |
| 116641 | M. Clapham | Chekarda, Sylva River (PIN collection 118) (coll. Permiakova 1935-1936) Kungurian - Permian 2 - Russian Federation | Martynov (1940) |
| 116652 | M. Clapham | Chekarda, Sylva River (PIN collection 168) (coll. Permiakova 1937) Kungurian - Permian 2 - Russian Federation | Martynov (1940) |
| 124241 | M. Clapham | Chekarda, Sylva River (PIN collection 212) (coll. Permiakova 1938) Kungurian - Permian 2 - Russian Federation | Rohdendorf (1940) |
| 153668 | M. Clapham | Ouralsky mine, Kargala (coll. Malioutine 1929) Capitanian - Permian 4 - Russian Federation | Zalessky (1933) |