GB3D Type Fossils

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Fossil specimen : SM A 29631 – Paratype

Taxonomic Group

Kingdom Animalia

  Phylum Arthropoda

    Class Trilobita

      Order Asaphida

Fossil Name Trinucleus gibbifrons McCoy
Type Status Paratype
Name History

Trinucleus gibbifrons McCoy

Trinucleus concentricus Eaton

Trinucleus concentricus Eaton

Trinucleus gibbifrons McCoy: Paratype

Registration No. A 29631
Collector Name not available
Donor or Associated Person Name not available
Held By Sedgwick Museum of Earth Sciences Logo Sedgwick Museum of Earth Sciences, University of Cambridge
Country Wales
Locality Pen-y-Craig, Llangynyw, Montgomeryshire, Wales
Grid Reference Not available
Rock Unit Llandovery Group
Biozone Not available
Geological Age

Llandovery Epoch (Silurian Period) (433.4 – 443.8 Ma B.P.)


McCoy 1849 b. Annals and Magazine of Natural History ser. 2 vol. iv (1): p.411

McCoy 1851 a. A synopsis of the classification of the British Palaeozoic rocks with a systematic description of the British Palaeozoic fossils (1): p.145

McCoy 1854 a. Contributions to British Palaeontology (1): p.149

Reed, F.R.C. 1914. Geological Magazine n.s. dec. vi, vol i (4): p.356

Salter 1873. Catalogue of the Cambrian and Silurian fossils contained in the Geological Museum of the University of Cambridge (2): p.78

Available Images

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Steroscopic photographs


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