GB3D Type Fossils

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Fossil specimen : SM A 40946 – Holotype

Taxonomy
Taxonomic Group

Kingdom Animalia

  Phylum Brachiopoda

    Class Rhynchonellata

      Order Orthida

Fossil Name Platystrophia major Williams, 1955
Type Status Holotype
Name History

Platystrophia major Williams, 1955: Holotype

Platystrophia precedens var. major Williams: Holotype

Provenance
Registration No. A 40946
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)
Location
Country Wales
Locality Pont Aberderfel, Arenig Station, Arenig, Wales
Grid Reference Not available
Stratigraphy
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 ]

References
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.56

Williams 1955. Philosophical Transactions of the Royal Society (B) vol. 238 pp.397-420

Williams 1955. Philosophical Transactions of the Royal Society (B) vol. 238 (1): p.402

Available Images

High resolution photographs

/CAMSM/P869592.jp2

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/CAMSM/P869595.jp2

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/CAMSM/P869597.jp2

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Steroscopic photographs

/CAMSM/P871232.jp2

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/CAMSM/P871233.jp2

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