Fossil specimen : BGS GSM17540 – Lectotype
| Taxonomic Group |
Kingdom Animalia Phylum Mollusca Class Cephalopoda Order Ammonitida |
|---|---|
| Fossil Name | Aegacrioceras bicarinatum (Young & Bird) |
| Type Status | Lectotype |
| Name History | Aegacrioceras bicarinatum (Young & Bird) Crioceras matheroni Aegacrioceras subseeleyi Spath |
| Registration No. | GSM17540 |
|---|---|
| Collector | Name not available |
| Donor or Associated Person | Danford 1906 |
| Held By |
 British Geological Survey
|
| Comments | Hauterivian Speeton Series Zone Mid to high |
| Country | England |
|---|---|
| Locality | Speeton - North Yorkshire. |
| Grid Reference | Not available |
| Rock Unit | Lower Cretaceous Rocks (Undifferentiated) |
|---|---|
| Biozone | Not available |
| Geological Age |
Early Cretaceous Epoch (Cretaceous Period) (100.5 – 145 Ma B.P.) |
| References | Rawson PF. 1970. Journ Nat Hist p.587 3,4,5 Rawson PF. 1975. Bull Brit Mus Nat Hist (Geol) p.139 2 fig1 Spath. 1924. Geol Mag p.77 |
|---|
Available Images
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Steroscopic photographs
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