Fossil specimen : BGS Zv1468 – Paratype
| Taxonomic Group |
Kingdom Animalia Phylum Mollusca Class Bivalvia Order - |
|---|---|
| Fossil Name | Myodakryotus deigryn Tunnicliff |
| Type Status | Paratype |
| Name History | Myodakryotus deigryn Tunnicliff Ambonychia sp Modiolopsis oricularis? Modiolopsis orbicularis J. de C. Sowerby |
| Registration No. | Zv1468 |
|---|---|
| Collector | Old Survey |
| Donor or Associated Person | Name not available |
| Held By |
 British Geological Survey
|
| Comments | This specimen has 3 labels all fixed in the order 1-3 one on to the other stating:- 1. Cwm chwilfod NE of Bala Modilosis orbicular 2. Cwm chwilfod NE of Bala Modiolopsis orbicularis? 3. CARADOC Cwm chwilfod, NE of Bala. Ambonychia |
| Country | Wales |
|---|---|
| Locality | Cwm Chwilfod, Gwynedd |
| Grid Reference | Available from host institution |
| Rock Unit | Gelli-Grin Calcareous Ash Formation |
|---|---|
| Biozone | Not available |
| Geological Age |
Woolstonian Substage (Ordovician Period) – Longvillian Substage (Ordovician Period) (452.1 – 454 Ma B.P.) [Closest ICS interval: Katian Age – Sandbian Age ] |
| References | Tunnicliff 1987 Pal Vol 30, Part 4 p.685 pl 77 fig 10 |
|---|
Available Images
High resolution photographs
/BGS/P814801.JP2
6036 KB
/BGS/P826977.JP2
5888 KB
Steroscopic photographs
/BGS/P815310.JP2
6094 KB
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