There are 8 matches
| Collection | Authorizer | Collection name | Reference |
|---|---|---|---|
| 3207 | J. Alroy | Ffridd Mathrafal (Meifod 6701) (= 6701) Llandovery - Silurian 1 - United Kingdom | Temple (1970) |
| 4940 | J. Alroy | SB06 Rhuddanian/Aeronian - Silurian 1 - United Kingdom | Temple (1987) |
| 4948 | J. Alroy | SB53B Rhuddanian/Aeronian - Silurian 1 - United Kingdom | Temple (1987) |
| 4949 | J. Alroy | SB53C Rhuddanian/Aeronian - Silurian 1 - United Kingdom | Temple (1987) |
| 4961 | J. Alroy | SB701 Rhuddanian/Aeronian - Silurian 1 - United Kingdom | Temple (1987) |
| 5024 | J. Alroy | SL97A Rhuddanian/Aeronian - Silurian 1 - United Kingdom | Temple (1987) |
| 5045 | J. Alroy | SL7021C Rhuddanian/Aeronian - Silurian 1 - United Kingdom | Temple (1987) |
| 8409 | J. Alroy | Garth Bank, Forestry track-road junction Rhuddanian - Silurian 1 - United Kingdom | Williams and Wright (1981) |