Taxonomic Group |
Kingdom Animalia Phylum Arthropoda Class Trilobita Order Phacopida |
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Fossil Name | Atractopyge williamsoni MacGregor |
Type Status | Paratype |
Name History | Atractopyge williamsoni MacGregor: Paratype |
Registration No. | A 53020 |
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Collector | Name not available |
Donor or Associated Person | MacGregor, A.R. |
Held By | Sedgwick Museum of Earth Sciences, University of Cambridge |
Comments |
Country | Wales |
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Locality | Nant, Llanrhaiadr-ym-Mochnant, Montgomeryshire, Wales |
Grid Reference | Not available |
Rock Unit | Calcareous Shale |
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Biozone | Not available |
Geological Age |
Llandeilian Stage (Ordovician Period) (458.4 – 460.5 Ma B.P.) [Closest ICS interval: Darriwilian Age ] |
References | MacGregor 1963. Palaeontology vol. v (1): p.806, pl.117, fig. 124 |
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