Fossil specimen : SM A 16539 – Holotype
| Taxonomic Group |
Kingdom Animalia Phylum Arthropoda Class Trilobita Order Phacopida |
|---|---|
| Fossil Name | Acastella spinosa (Salter) |
| Type Status | Holotype |
| Name History | Acastella spinosa (Salter) Phacops (Acastella) macrocentrus Reed: Holotype |
| Registration No. | A 16539 |
|---|---|
| Collector | Name not available |
| Donor or Associated Person | Gardiner, Charles Irving (1868-1940) |
| Held By |
 Sedgwick Museum of Earth Sciences, University of Cambridge
|
| Comments |
| Country | England |
|---|---|
| Locality | Woolhope Inlier, Prior's Frome, Herefordshire, England |
| Grid Reference | Not available |
| Rock Unit | Upper Ludlow |
|---|---|
| Biozone | Not available |
| Geological Age |
Ludlow Epoch (Silurian Period) (423.6 – 427.4 Ma B.P.) |
| References | Reed, F.R.C. 1925 b. Geological Magazine vol. lxii (1): p.73 pl. ii figs.4, 4 a Shergold 1967. Palaeontology vol. x (2): pp.176, 180 pl.25 figs.7-8 |
|---|
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