There are 4 matches
| Collection | Authorizer | Collection name | Reference |
|---|---|---|---|
| 184380 | M. Hopkins | AN6 700 Rhuddanian - Silurian 1 - Canada | Chatterton and Ludvigsen (2004) |
| 184400 | M. Hopkins | AN7 380 Rhuddanian - Silurian 1 - Canada | Chatterton and Ludvigsen (2004) |
| 184411 | M. Hopkins | AN9B Rhuddanian - Silurian 1 - Canada | Chatterton and Ludvigsen (2004) |
| 185536 | M. Hopkins | AN22 Rhuddanian - Silurian 1 - Canada | Chatterton and Ludvigsen (2004) |