There are 3 matches
| Collection | Authorizer | Collection name | Reference |
|---|---|---|---|
| 121543 | M. Clapham | Popovka River, volcanic tuffs, Kolyma Basin (Zavodowsky coll) (coll. Zavodowsky 1960) Asselian - Permian 1 - Russian Federation | Zavodowsky (1968) |
| 121546 | M. Clapham | Popovka River, volcanic tuffs, Kolyma Basin (Pepelyaev coll) (coll. Pepelyaev 1958, 1959) Asselian - Permian 1 - Russian Federation | Zavodowsky (1968) |
| 121547 | M. Clapham | Pravyy Lyplykhtakh River, Kolyma Basin (coll. Ganin 1959) Asselian - Permian 1 - Russian Federation | Zavodowsky (1968) |