Fossil specimen : BGS GSM103511 – Holotype
| Taxonomic Group |
Kingdom Animalia Phylum Mollusca Class Cephalopoda Order Orthocerida |
|---|---|
| Fossil Name | Orthoceras expansum Blake |
| Type Status | Holotype |
| Name History | Orthoceras expansum Blake |
| Registration No. | GSM103511 |
|---|---|
| Collector | ? Portlock |
| Donor or Associated Person | Name not available |
| Held By |
 British Geological Survey
|
| Comments |
| Country | Northern Ireland |
|---|---|
| Locality | Desertcreat, Caradoc |
| Grid Reference | Not available |
| Rock Unit | Caradoc Rocks (Undifferentiated) |
|---|---|
| Biozone | Not available |
| Geological Age |
Caradoc Series (Ordovician Period) (449 – 458.4 Ma B.P.) [Closest ICS interval: Late Ordovician Epoch ] |
| References | Blake 1882 British Fossil Cephalopods Pal Soc Mon p.118 Pl.6 Fig 15 |
|---|
Available Images
High resolution photographs
/BGS/P827047.JP2
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Steroscopic photographs
/BGS/P827719.JP2
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