Taxonomic Group |
Kingdom Animalia Phylum Mollusca Class Bivalvia Order - |
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Fossil Name | Cyrtodonta? securiformis (Portlock) |
Type Status | Holotype |
Name History | Cyrtodonta? securiformis (Portlock) Orthodesma tyronense Reed Cyrtodonta? semiformis (Portlock) |
Registration No. | GSM12447 |
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Collector | Portlock |
Donor or Associated Person | Name not available |
Held By | British Geological Survey |
Comments | Original museum label with 12445 and Counterpart is Ulster Museum K4201 |
Country | Northern Ireland |
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Locality | Desertcreat, Caradoc |
Grid Reference | Not available |
Rock Unit | Caradoc Rocks (Undifferentiated) |
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Biozone | Not available |
Geological Age |
Caradoc Series (Ordovician Period) (449 – 458.4 Ma B.P.) [Closest ICS interval: Late Ordovician Epoch ] |
References | Reed 1952 Proc Roy Irish Acad 55 B No 3 p.70 pl. 3 fig 17 Tunnicliff 1982 Pal Vol 25 Part 1 p.69 pl. 11 fig.5 |
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