Taxonomic Group |
Kingdom Animalia Phylum Brachiopoda Class Rhynchonellata Order Orthida |
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Fossil Name | Caeroplecia mutabilis (Williams), 1955 |
Type Status | Holotype |
Name History | Caeroplecia mutabilis (Williams), 1955 Cliftonia (Oxoplecia) mutabilis Williams: Holotype |
Registration No. | A 40948 |
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Collector | Name not available |
Donor or Associated Person | Williams, Alwyn (1891-1976) |
Held By | Sedgwick Museum of Earth Sciences, University of Cambridge |
Comments | part and counterpart : (parts a-b) |
Country | Wales |
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Locality | Pont Aberderfel, Arenig Station, Arenig, Wales |
Grid Reference | Not available |
Rock Unit | Derfel Limestone |
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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 | Cocks, L.R.M. 1978. A review of British Lower Palaeozoic Brachiopods, including a synoptic revision of Davidson's monograph Palaeontographical Society Monographs (2): p.87 Williams 1955. Philosophical Transactions of the Royal Society (B) vol. 238 (1): p.411 pl.38 fig.54 (a.40, 948b) fig.55 (a.40, 948c) Williams 1955. Philosophical Transactions of the Royal Society (B) vol. 238 pp.397-420 |
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