Fossil specimen : SM A 16948 – Syntype
| Taxonomic Group |
Kingdom Animalia Phylum Hemichordata Class Graptolithina Order Graptoloidea |
|---|---|
| Fossil Name | Didymograptus sparsus Hopkinson |
| Type Status | Syntype |
| Name History | Didymograptus sparsus Hopkinson Didymograptus sparsus Hopkinson Didymograptus sparsus Hopkinson: Syntype |
| Registration No. | A 16948 |
|---|---|
| Collector | Name not available |
| Donor or Associated Person | Hopkinson, John (1844-1919) |
| Held By |
 Sedgwick Museum of Earth Sciences, University of Cambridge
|
| Comments |
| Country | Wales |
|---|---|
| Locality | Road Uchaf, Ramsey Island, 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 | Elles & Wood 1901. A monograph of British Graptolites Palaeontographical Society Monographs (2): Elles & Wood 1901. A monograph of British Graptolites Palaeontographical Society Monographs (3): p.17 pl. i fig.6 b Hopkinson 1875. Quarterly Journal of the Geological Society of London vol. xxxi (1): P.643 PL. XXXIII FIG.2 D 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 (2): p.12 |
|---|
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