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| Registration No. : |
Geol.Soc.Coll. 6855 . |
Type : |
Not Designated a Type |
| Identifications : |
| Not Entered: |
Mollusca: Nautiloidea |
Orthoceras bisiphonalum |
| Locality : |
Gorllwynfach |
| Grid Reference : |
Not available
|
Country : |
England & Wales |
| 1:50K map : |
|
|
| Chronostratigraphy : |
Llandovery Epoch
— Llandovery Epoch
|
| Lithostratigraphy : |
LLANDOVERY ROCKS (UNDIFFERENTIATED) |
| Collector / Donor : |
Available from curator
|
| References : |
| Blake |
| Silurian System |
| Salter Quart. Journ. Geol. Soc. 14 |
| Evans and Holland 1995 Palaentology Z 69 |
