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Fossil specimen : SM A 40910 – Paratype

Taxonomic Group

Kingdom Animalia

  Phylum Brachiopoda

    Class Rhynchonellata

      Order Orthida

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

Platystrophia major Williams, 1955

Platystrophia precedens var. major Williams: Paratype

Orthis (Platystrophia) biforata (Schlotheim)

Registration No. A 40910
Collector Name not available
Donor or Associated Person Fearnsides, William George (1879-1968)
Held By Sedgwick Museum of Earth Sciences Logo Sedgwick Museum of Earth Sciences
Country Wales
Locality Derfel gorge, Arenig Station, 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 (3): p.56

Elles, G.L. 1922. The Bala Country: its Structure and Rock Succession Quarterly Journal of the Geological Society of London volume lxxviii pages 132 - ? (1): p.169

Williams 1955. Philosophical Transactions of the Royal Society (B) vol. 238 (2): p.402 pl.38 fig.26 (a.40, 908a) fig.27 (b, latex cast)

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