There are 3 matches
| Collection | Authorizer | Collection name | Reference |
|---|---|---|---|
| 122595 | M. Clapham | Mouth of the Kaiserschacht, near Klein-Opitz Westphalian C - Carboniferous 4 - Germany | Geinitz and Deichmüller (1879) |
| 124243 | M. Clapham | Friedrichstal railway cut Westphalian - Carboniferous 4 - Germany | Goldenberg (1854) |
| 153149 | M. Clapham | Von der Heydt pit, roof of third flotz (coll. 1931) Westphalian D - Carboniferous 4 - Germany | Waterlot (1934) |