Fossil specimen : BGS Zu4457 – Neotype
| Taxonomic Group |
Kingdom Animalia Phylum Mollusca Class Cephalopoda Order Ammonitida |
|---|---|
| Fossil Name | Hildoceras bifrons (Bruguiere) |
| Type Status | Neotype |
| Name History | Hildoceras bifrons (Bruguiere): Neotype |
| Registration No. | Zu4457 |
|---|---|
| Collector | Name not available |
| Donor or Associated Person | Baldwin, SA. (July 1982) 1982 |
| Held By |
 British Geological Survey
|
| Comments | Upper Lias - Lower Toarcian [Whitbian] - bifrons zone. [Note: this is a Cast of Neotype possibly even Holotype] |
| Country | England |
|---|---|
| Locality | Whitby - N Yorks. |
| Grid Reference | Not available |
| Rock Unit | Lias Group |
|---|---|
| Biozone | Bifrons |
| Geological Age |
Aalenian Age (Jurassic Period) – Rhaetian Age (Triassic Period) (170.3 – 209.5 Ma B.P.) |
| References | Original specimen fig'd by Bruguiere, JG. Histoire naturelle des Vers 1789. Pt of Enclyclopedie Methodique p.40 Original specimen fig'd by Buckman, SS. 1918. Yorkshire Tyupe Ammonites 114 A Original specimen fig'd by Dean, WT, Donovan, DT & Howarth, MK. 1961. Bulletin BM (NH) Geol p.480-481 pl72.,figs4a,b Original specimen fig'd by Lister, M. Historiae Animalium Angliae tres tractus 1678 p.205 pl6.,fig2 |
|---|
Available Images
High resolution photographs
/BGS/P832561.JP2
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/BGS/P832564.JP2
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Steroscopic photographs
/BGS/P833367.JP2
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