There are 6 matches
| Collection | Authorizer | Collection name | Reference |
|---|---|---|---|
| 81383 | M. Clapham | Akbar Creek, Dyby River Basin, Southern Verkhoyan Changhsingian - Permian 4 - Russian Federation | Muromtseva and Guskov (1984) |
| 101697 | M. Clapham | Unguokhtakh River, Dulgalakh Fm, Orulgan Range Capitanian - Permian 4 - Russian Federation | Astafieva-Urbajtis (1976) |
| 109947 | M. Clapham | Mezhdusharsky Island, Section 9, Sample 1197, Novaya Zemlya Roadian - Permian 3 - Russian Federation | Kalashnikov et al. (1981) |
| 109949 | M. Clapham | Mezhdusharsky Island, Section 9, Sample 1221, Novaya Zemlya Roadian - Permian 3 - Russian Federation | Kalashnikov et al. (1981) |
| 114236 | M. Clapham | Kobyume River, upper Imtachan Svita, Southern Verkhoyan Changhsingian - Permian 4 - Russian Federation | Muromtseva and Guskov (1984) |
| 114237 | M. Clapham | Unguokhtaakh River, Dulgalakh Fm, Orulgan Range Capitanian - Permian 4 - Russian Federation | Muromtseva and Guskov (1984) |