GB3D Type Fossils

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Fossil specimen : BGS GSM35390 – Holotype

Taxonomic Group

Kingdom Animalia

  Phylum Arthropoda

    Class Trilobita

      Order Phacopida

Fossil Name Pseudosphaerexochus octolobatus (McCoy)
Type Status Holotype
Name History

Pseudosphaerexochus octolobatus (McCoy)

Cheirurus octolobatus McCoy

Registration No. GSM35390
Collector Name not available
Donor or Associated Person Name not available
Held By British Geological Survey Logo British Geological Survey
Country Wales
Locality Rhiwlas
Grid Reference Not available
Rock Unit Bala
Biozone Not available
Geological Age

Ashgill Series (Ordovician Period) – Caradoc Series (Ordovician Period) (443.8 – 458.4 Ma B.P.)

[Closest ICS interval: Late Ordovician Epoch ]


Lane, 1971, Pal.Soc.Mon. cited p.48

Mem.Geol.Surv., vol.II pt.1 pl.vii, fig.3b

Pal.Soc. 1864 pl.v, fig.14

Whittington, H.B., 1965, Pal.Soc.Mon. 'Ord.Tril. Bala', pt.II. cited op.cit. p.37 pl.X, fig.15

Available Images

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