Fossil specimen : SM A 19220 b – Holotype
| Taxonomic Group |
Kingdom Animalia Phylum Hemichordata Class Graptolithina Order Dendroidea |
|---|---|
| Fossil Name | Ptilograptus acutus Hopkinson |
| Type Status | Holotype |
| Name History | Ptilograptus acutus Hopkinson: Holotype |
| Registration No. | A 19220 b |
|---|---|
| Collector | Hopkinson, J. |
| Donor or Associated Person | Name not available |
| Held By |
 Sedgwick Museum of Earth Sciences, University of Cambridge
|
| Comments | part and counterpart : (parts a-b) |
| Country | Wales |
|---|---|
| Locality | Abereiddy Bay, Pembrokeshire, Wales |
| Grid Reference | Not available |
| Rock Unit | Lower Llandeilo (lower zone) |
|---|---|
| Biozone | Not available |
| Geological Age |
Llandeilian Stage (Ordovician Period) (458.4 – 460.5 Ma B.P.) [Closest ICS interval: Darriwilian Age ] |
| References | Hopkinson & Lapworth 1875. Quarterly Journal of the Geological Society of London vol. xxxi (1): P.662 PL. XXXVII FIGS.1 A-B |
|---|
Available Images
High resolution photographs
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Steroscopic photographs
/CAMSM/P871001.jp2
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