There are 8 matches
| Collection | Authorizer | Collection name | Reference |
|---|---|---|---|
| 86844 | M. Clapham | Lena river, lower reaches near Bulkurskoy anticline Capitanian - Permian 4 - Russian Federation | Muromtseva and Guskov (1984) |
| 97376 | M. Clapham | Dyby River Basin, Lower Imtachan, Southern Verkhoyan Wuchiapingian - Permian 4 - Russian Federation | Muromtseva and Guskov (1984) |
| 101724 | M. Clapham | Pareni River Basin, Upper Magiveyen Svita, Omolon Massif Asselian - Permian 1 - Russian Federation | Astafieva-Urbajtis (1990) |
| 101725 | M. Clapham | Bitantay River, lower Dulgalakh Gorizont, Western Verkhoyan Capitanian - Permian 4 - Russian Federation | Astafieva-Urbajtis (1990) |
| 109955 | M. Clapham | Mezhdusharsky Island, Section 9, Sample 1292, Novaya Zemlya Wordian - Permian 4 - Russian Federation | Kalashnikov et al. (1981) |
| 114398 | M. Clapham | Menkeche River, Dyby Basin, Southern Verkhoyan Capitanian - Permian 4 - Russian Federation | Muromtseva and Guskov (1984) |
| 114428 | M. Clapham | Kyuel-Seene River, Bytantay Basin, Western Verkhoyan Capitanian - Permian 4 - Russian Federation | Muromtseva and Guskov (1984) |
| 114439 | M. Clapham | Bulkur River, Dulgalakh Svita, northern Verkhoyan Capitanian - Permian 4 - Russian Federation | Muromtseva and Guskov (1984) |