Fossil specimen : SM J 3275 – Holotype
| Taxonomic Group |
Kingdom Animalia Phylum Mollusca Class Cephalopoda Order Ammonitida |
|---|---|
| Fossil Name | Coeloderoceras validum (Simpson) |
| Type Status | Holotype |
| Name History | Coeloderoceras validum (Simpson): Holotype Deroceras validum (Simpson): Holotype Aegoceras validum (Simpson) Aegoceras validum (Simpson) Ammonites validus Simpson Ammonites validus Simpson |
| Registration No. | J 3275 |
|---|---|
| Collector | Name not available |
| Donor or Associated Person | Leckenby, John (1814-1877) |
| Held By |
 Sedgwick Museum of Earth Sciences, University of Cambridge
|
| Comments |
| Country | England |
|---|---|
| Locality | Robin Hood's Bay, Whitby, Yorkshire, England |
| Grid Reference | Not available |
| Rock Unit | Lower Lias |
|---|---|
| Biozone | armatum |
| Geological Age |
Early Jurassic Epoch (Jurassic Period) (174.1 – 201.3 Ma B.P.) |
| References | Buckman, S.S. 1913. Yorkshire type ammonites ii part ix no. 73 (5): part x no.83 pl. lxxxiii figs.1-2 Howarth 1962. Palaeontology vol. v (6): p.108 Simpson, M. 1855. The fossils of the Yorkshire Lias 1st edition (1): p.62 Simpson, M. 1884. The fossils of the Yorkshire Lias 2nd. edition (and 1942 3rd. ed.) (2): p.95 Tate, R. & Blake, J.F. 1876. The Yorkshire Lias (3): p.278 pl. vii fig.3 Woods 1893 b. Geological Magazine n.s. dec. (3), vol. x (4): p.116 |
|---|
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