Fossil specimen : SM A 17267 – Holotype
| Taxonomic Group |
Kingdom Animalia Phylum Hemichordata Class Graptolithina Order Graptoloidea |
|---|---|
| Fossil Name | Pseudisograptus stellus (Hopkinson) |
| Type Status | Holotype |
| Name History | Pseudisograptus stellus (Hopkinson): Holotype Isograptus gibberulus (Nicholson) Didymograptus gibberulus Nicholson Phyllograptus stella Hopkinson: Holotype |
| Registration No. | A 17267 |
|---|---|
| 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 | Road Uchaf, Ramsey I., St. Davids, Pembrokeshire, Wales (S.) |
| Grid Reference | Not available |
| Rock Unit | Lower Arenig |
|---|---|
| Biozone | Didymograptus extensus |
| 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): p.52 pl. ii fig.9 e Hopkinson 1875. Quarterly Journal of the Geological Society of London vol. xxxi (1): p.658 pl. xxxiv fig.6 Jenkins, C.J. 1982. Proceedings of the Yorkshire Geological Society vol. 44 (4): pp.232-4, pl.17, fig.1 fig.4h |
|---|
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