Fossil specimen : SM A 17507 – Holotype
| Taxonomic Group |
Kingdom Animalia Phylum Hemichordata Class Graptolithina Order - |
|---|---|
| Fossil Name | Dictyograptus (Desmograptus) Hopkinson |
| Type Status | Holotype |
| Name History | Dictyograptus (Desmograptus) Hopkinson Dictyograptus (Desmograptus) cancellatus Hopkinson: Holotype |
| Registration No. | A 17507 |
|---|---|
| Collector | Hopkinson, J. |
| Donor or Associated Person | Name not available |
| Held By |
 Sedgwick Museum of Earth Sciences, University of Cambridge
|
| Comments |
| Country | Wales |
|---|---|
| Locality | Trwyn-hyrddyn, Whitesand Bay, St. David's, Pembrokeshire, Wales |
| Grid Reference | Not available |
| Rock Unit | Lower Arenig |
|---|---|
| Biozone | Not available |
| Geological Age |
Arenig Series (Ordovician Period) (465.5 – 477.7 Ma B.P.) [Closest ICS interval: Mid Ordovician Epoch – Early Ordovician Epoch ] |
| References | Hopkinson 1875. Quarterly Journal of the Geological Society of London vol. xxxi (2): p.668 pl. xxxvi figs.11 a-b Woods, H. 1891. Catalogue of the Type Fossils in the Woodwardian Museum, Cambridge. Henry Woods with preface by T. McKenny Hughes CUP. 180+xiv SPL: II. 16 (3): p.10 |
|---|
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