GB3D Type Fossils

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Fossil specimen : SM A 40948 – Holotype

Taxonomic Group

Kingdom Animalia

  Phylum Brachiopoda

    Class Rhynchonellata

      Order Orthida

Fossil Name Caeroplecia mutabilis (Williams), 1955
Type Status Holotype
Name History

Caeroplecia mutabilis (Williams), 1955

Cliftonia (Oxoplecia) mutabilis Williams: Holotype

Registration No. A 40948
Collector Name not available
Donor or Associated Person Williams, Alwyn (1891-1976)
Held By Sedgwick Museum of Earth Sciences Logo Sedgwick Museum of Earth Sciences
Comments part and counterpart : (parts a-b)
Country Wales
Locality Pont Aberderfel, Arenig Station, Arenig, Wales
Grid Reference Not available
Rock Unit Derfel Limestone
Biozone Not available
Geological Age

Caradoc Series (Ordovician Period) (451 – 460.9 Ma B.P.)

[Closest ICS interval: Late Ordovician Epoch ]


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

Available Images

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