Fossil specimen : SM A 40946 – Holotype
| Taxonomic Group |
Kingdom Animalia Phylum Brachiopoda Class Rhynchonellata Order Orthida |
|---|---|
| Fossil Name | Platystrophia major Williams, 1955 |
| Type Status | Holotype |
| Name History | Platystrophia major Williams, 1955: Holotype Platystrophia precedens var. major Williams: Holotype |
| Registration No. | A 40946 |
|---|---|
| Collector | Name not available |
| Donor or Associated Person | Williams, Alwyn (1891-1976) |
| Held By |
 Sedgwick Museum of Earth Sciences, University of Cambridge
|
| Comments | part and counterpart : (parts a-b) |
| Country | Wales |
|---|---|
| Locality | Pont Aberderfel, Arenig Station, Arenig, Wales |
| Grid Reference | Not available |
| Rock Unit | Derfel Limestone |
|---|---|
| Biozone | Not available |
| Geological Age |
Caradoc Series (Ordovician Period) (449 – 458.4 Ma B.P.) [Closest ICS interval: Late Ordovician Epoch ] |
| References | Cocks, L.R.M. 1978. A review of British Lower Palaeozoic Brachiopods, including a synoptic revision of Davidson's monograph Palaeontographical Society Monographs (2): p.56 Williams 1955. Philosophical Transactions of the Royal Society (B) vol. 238 pp.397-420 Williams 1955. Philosophical Transactions of the Royal Society (B) vol. 238 (1): p.402 |
|---|
Available Images
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