There are 4 matches
| Collection | Authorizer | Collection name | Reference |
|---|---|---|---|
| 118974 | M. Clapham | KF217, Ishikagorisawa, Imo Prefecture Wordian - Permian 4 - Japan | Tazawa (2008) |
| 149802 | M. Clapham | KF108, Komagomesawa Valley, Nabekoshi Mountain Changhsingian - Permian 4 - Japan | Tazawa (2012) |
| 179351 | M. Clapham | KF90, upper Shigejisawa valley Wordian - Permian 4 - Japan | Tazawa (2016) |
| 187181 | M. Clapham | KF7, Minamizawa valley (coll. Nakamura, Tazawa) Wordian - Permian 4 - Japan | Tazawa (2017) |