There are 2 matches
| Collection | Authorizer | Collection name | Reference |
|---|---|---|---|
| 172139 | M. Clapham | Ridge northeast of Nikolaevskoe mine Late Frasnian - Devonian 4 - Kazakhstan | Bogoslovsky (1969) |
| 172140 | M. Clapham | Ridge northeast of Nikolaevskoe mine, 3 km southeast Late Frasnian - Devonian 4 - Kazakhstan | Bogoslovsky (1969) |