Fossil specimen : SM A 5325 – Lectotype
| Taxonomic Group |
Kingdom Animalia Phylum Hemichordata Class Graptolithina Order - |
|---|---|
| Fossil Name | Aspidograptus implicatus (Hopkinson) |
| Type Status | Lectotype |
| Name History | Aspidograptus implicatus (Hopkinson): Lectotype Climacograptus implicatus Hopkinson |
| Registration No. | A 5325 |
|---|---|
| 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 | Whitesand Bay, Pembrokeshire, Wales |
| Grid Reference | Not available |
| Rock Unit | Middle Arenig |
|---|---|
| Biozone | Upper D. extensus? |
| Geological Age |
Arenig Series (Ordovician Period) (465.5 – 477.7 Ma B.P.) [Closest ICS interval: Mid Ordovician Epoch – Early Ordovician Epoch ] |
| References | Bulman, O.M.B. 1934. A monograph of British dendroid Graptolites Palaeontographical Society Monographs (2): p.71 pl. ix fig.8 Hopkinson & Lapworth 1875. Quarterly Journal of the Geological Society of London vol. xxxi (1): p.652 pl. xxxiv fig.1 |
|---|
Available Images
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