GB3D Type Fossils

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Fossil specimen : SM A 40917 – Holotype

Taxonomic Group

Kingdom Animalia

  Phylum Brachiopoda

    Class -

      Order -

Fossil Name Dolerorthis tenuicostata Williams
Type Status Holotype
Name History

Dolerorthis tenuicostata Williams: Holotype

Orthis (Plectorthis) plicata Sowerby, J. de C.

Registration No. A 40917
Collector Name not available
Donor or Associated Person Name not available
Held By Sedgwick Museum of Earth Sciences Logo Sedgwick Museum of Earth Sciences
Comments part and counterpart : (parts a-b)
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 ]


Williams 1955. Philosophical Transactions of the Royal Society (B) vol. 238 (2): p.406 pl.38 fig.18 (a.40, 917c, artificial cast from a.40,917 b) fig.23 (a.14, 917a)

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