Fossil specimen : BGS GSM12445 – Lectotype
| Taxonomic Group |
Kingdom Animalia Phylum Mollusca Class Bivalvia Order - |
|---|---|
| Fossil Name | Cyrtodonta? expansa |
| Type Status | Lectotype |
| Name History | Cyrtodonta? expansa Modiolopsis (Modiola) expansa (Portlock) |
| Registration No. | GSM12445 |
|---|---|
| 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 | Figd Portlock 1843 Geol Rep Londonderry p.425 pl 33 fig 6 Reed 1952 Proc Roy Irish Acad 55 B No 3 p.71 pl 3 fig 16 Tunnicliff 1982 Pal Vol 25 Part 1 p.67 pl 11 fig 9 |
|---|
Available Images
High resolution photographs
/BGS/P827142.JP2
3255 KB
Steroscopic photographs
/BGS/P827728.JP2
3832 KB
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3D Scans
1: /BGS/GSM_12445
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