There are 4 matches
| Collection | Authorizer | Collection name | Reference |
|---|---|---|---|
| 138156 | M. Clapham | Grube Steinbach-Brücken, Breitenbacher seam Stephanian - Carboniferous 4-5 - Germany | von Ammon (1901) |
| 153594 | M. Clapham | Becker sand pit, Chemnitz-Borna (coll. Mayas, Nindel 1912-1913) Brigantian - Carboniferous 2 - Germany | Rossler and Schneider (1997) |
| 155773 | M. Clapham | Carolus Magnus mine, Palenberg Westphalian A - Carboniferous 4 - Germany | Guthörl (1964) |
| 156764 | M. Clapham | Delitzsch 9/64 borehole, 231 m depth Asbian - Carboniferous 2 - Germany | Kahlert (1998) |