Fossil specimen : BGS GM103612 – Paratype
| Taxonomic Group |
Kingdom Animalia Phylum Brachiopoda Class - Order - |
|---|---|
| Fossil Name | Rhactorthis crassa Williams |
| Type Status | Paratype |
| Name History | Rhactorthis crassa Williams |
| Registration No. | GM103612 |
|---|---|
| Collector | Name not available |
| Donor or Associated Person | BM(NH) |
| Held By |
 British Geological Survey
|
| Comments |
| Country | Wales |
|---|---|
| Locality | Craigian Bychain |
| Grid Reference | Not available |
| Rock Unit | Gelli-Grin Calcareous Ash Formation |
|---|---|
| Biozone | Not available |
| Geological Age |
Woolstonian Substage (Ordovician Period) – Longvillian Substage (Ordovician Period) (452.1 – 454 Ma B.P.) [Closest ICS interval: Katian Age – Sandbian Age ] |
| References | Williams 1963, Bull BM(NH) vol.8 no.7 pl.4, fig.3 |
|---|
Available Images
High resolution photographs
/BGS/P814503.JP2
3740 KB
Steroscopic photographs
/BGS/P815224.JP2
5335 KB
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