Fossil specimen : BGS GSM31742 – Undifferentiated Type
| Taxonomic Group |
Kingdom Animalia Phylum Arthropoda Class Trilobita Order Phacopida |
|---|---|
| Fossil Name | Gravicalymene quadrata (King) |
| Type Status | Undifferentiated Type |
| Name History | Gravicalymene quadrata (King) Flexicalymene quadrata (King) |
| Registration No. | GSM31742 |
|---|---|
| Collector | Survey 1919 |
| Donor or Associated Person | Name not available |
| Held By |
 British Geological Survey
|
| Comments |
| Country | Wales |
|---|---|
| Locality | Craig Fawr, near Blaen-y-cwm, Montgomeryshire |
| Grid Reference | Not available |
| Rock Unit | Ashgill Formation |
|---|---|
| Biozone | Not available |
| Geological Age |
Hirnantian Age (Ordovician Period) – Rawtheyan Stage (Ordovician Period) (443.8 – 447 Ma B.P.) |
| References | King 1923 QJGS Vol 74, ibid Page 504 pl 26 fig 1 Price 1982 Geol. Mag. 119/1 Page 59 pl 1 figs 1 & 8 |
|---|
Available Images
High resolution photographs
/BGS/P809448.jp2
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/BGS/P820920.JP2
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Steroscopic photographs
/BGS/P809952.jp2
4648 KB
/BGS/P823317.JP2
3582 KB
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