Fossil specimen : SM A 5877 – Holotype
| Taxonomic Group |
Kingdom Animalia Phylum Arthropoda Class Trilobita Order Phacopida |
|---|---|
| Fossil Name | Gravicalymene convolva Shirley |
| Type Status | Holotype |
| Name History | Gravicalymene convolva Shirley – See Shirley (1936): Holotype Calymene blumenbachi var. drummuckensis Reed |
| Registration No. | A 5877 |
|---|---|
| Collector | Name not available |
| Donor or Associated Person | King, William Bernard Robinson (1889-1963) |
| Held By |
 Sedgwick Museum of Earth Sciences, University of Cambridge
|
| Comments |
| Country | Wales |
|---|---|
| Locality | Birdshill Quarry, Llandilo, Carmarthenshire, Wales |
| Grid Reference | Not available |
| Rock Unit | Sholeshook Limestone |
|---|---|
| Biozone | Not available |
| Geological Age |
Rawtheyan Stage (Ordovician Period) – Cautleyan Stage (Ordovician Period) (445.2 – 448 Ma B.P.) [Closest ICS interval: Katian Age ] |
| References | Shirley 1936. Quarterly Journal of the Geological Society of London vol. xcii p.409 pl. xxix fig.16 (a.5877 b). figs.17-18 (a.5877 a) |
|---|
Available Images
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/CAMSM/P877999.jp2
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Steroscopic photographs
/CAMSM/P881278.jp2
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/CAMSM/P881279.jp2
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