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Fossil specimen : BGS GSM18988 – Holotype

Taxonomic Group

Kingdom Animalia

  Phylum Arthropoda

    Class Trilobita

      Order Asaphida

Fossil Name Merlinia (Ogygiocaris) murchisoniae (Murchison)
Type Status Holotype
Name History

Merlinia (Ogygiocaris) murchisoniae (Murchison)

Ogyginus marginatus (Crosfield & Skeats)

Stygina murchisoniae (Murchison)

Registration No. GSM18988
Collector Name not available
Donor or Associated Person Name not available
Held By British Geological Survey Logo British Geological Survey
Comments With counterpart formaly GSG 4989
Country Wales
Locality Pensarn
Grid Reference Not available
Rock Unit Llandeilo Rocks (Undifferentiated)
Biozone tetragraptus
Geological Age

Caradoc Series (Ordovician Period) – Abereiddian Stage (Ordovician Period) (449 – 465.5 Ma B.P.)

[Closest ICS interval: Late Ordovician Epoch – Darriwilian Age ]


Murchison 1839 "Silurian System" pl.25 fig.3

Salter 1864 Pal.Soc p.15

Whittard, WF, 1963, Pal. Soc. Mon. "Ordovician Trilobites of the Shelve Inlier W Shropshire, pt. VII" pl.XXXVIII fig.5,6

Available Images

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