Fossil specimen : SM A 16985 – Syntype
| Taxonomic Group |
Kingdom Animalia Phylum Hemichordata Class Graptolithina Order Graptoloidea |
|---|---|
| Fossil Name | Didymograptus acutidens Elles & Wood ex Lapworth ms. |
| Type Status | Syntype |
| Name History | Didymograptus acutidens Elles & Wood ex Lapworth ms.: Syntype Didymograptus affinis Nicholson |
| Registration No. | A 16985 |
|---|---|
| Collector | Hicks, Henry |
| Donor or Associated Person | Hopkinson, John (1844-1919) |
| Held By |
 Sedgwick Museum of Earth Sciences, University of Cambridge
|
| Comments |
| Country | Wales |
|---|---|
| Locality | Porth Hayog, Porth Llanog, Ramsey Island, St. David's, Pembrokeshire, Wales |
| Grid Reference | Not available |
| Rock Unit | Upper Arenig |
|---|---|
| Biozone | Not available |
| Geological Age |
Llanvirn Series (Ordovician Period) (458.4 – 465.5 Ma B.P.) [Closest ICS interval: Mid Ordovician Epoch ] |
| References | Elles & Wood 1901. A monograph of British Graptolites Palaeontographical Society Monographs (2): p.25 pl. ii fig.3 a Hopkinson 1875. Quarterly Journal of the Geological Society of London vol. xxxi (1): P.645 PL. XXXIII FIGS.6 B-C |
|---|
Available Images
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