GB3D Type Fossils

Fossil specimen : BGS Geol.Soc.Coll.6836a – Lectotype

Taxonomy
Taxonomic Group

Kingdom Animalia

  Phylum Arthropoda

    Class Trilobita

      Order Asaphida
Fossil Name Trinucleus fimbriatus Murchison
Type Status Lectotype
Name History

Trinucleus fimbriatus Murchison
Provenance
Registration No. Geol.Soc.Coll.6836a
Collector RI Murchison 1911
Donor or Associated Person Name not available
Held By British Geological Survey Logo British Geological Survey
Comments
Location
Country Wales
Locality Gwern-y-fach Builth Radnorshire
Grid Reference Not available
Stratigraphy
Rock Unit Llandeilo Flags Formation
Biozone Not available
Geological Age

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

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

References
References

Cave, 1957, Geol. Mag. vol 94 p.283

Hughes 1971 Bull. BM. NH vol. 20 no. 4 p.178

Selected Stubblefield & Whittington Int Comm Zool Nom Opinion 505 Vol 18 Part 8 Page 164 p.164

Whittard, WF, 1956, Pal. Soc. Mon. "Ordovician Trilobites of the Shelve Inlier W Shropshire" p.45-46 pl. 6 fig 4
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