GB3D Type Fossils

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Fossil specimen : SM A 16692 – Paralectotype

Taxonomy
Taxonomic Group

Kingdom Animalia

  Phylum Arthropoda

    Class Trilobita

      Order Asaphida

Fossil Name Homalopteon radians (M'coy), 1849
Type Status Paralectotype
Name History

Homalopteon radians (M'coy), 1849: Paralectotype

Barrandia radians (McCoy): Paratype

Barrandia radians (McCoy)

Ogygia radians McCoy: Paratype

Ogygia radians McCoy

Provenance
Registration No. A 16692
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
Location
Country Wales
Locality Pen Cerrig, Builth, Pen-cerig Lake, Radnorshire, Wales
Grid Reference Not available
Stratigraphy
Rock Unit Glyptograptus teretiusculus Shale (near top)
Biozone gracilis
Geological Age

Wenlock Epoch (Silurian Period) – Llandeilian Stage (Ordovician Period) (422.9 – 464 Ma B.P.)

References
References

Hughes 1979. Bulletin of the British Museum (Natural History). Geology vol. 32 (5): p.164 fig.144

McCoy 1849 b. Annals and Magazine of Natural History ser. 2 vol. iv (1): p.408

McCoy 1851 a. A synopsis of the classification of the British Palaeozoic rocks with a systematic description of the British Palaeozoic fossils (2): p.149

McCoy 1854 a. Contributions to British Palaeontology (1): p.147

Salter 1873. Catalogue of the Cambrian and Silurian fossils contained in the Geological Museum of the University of Cambridge (3): p.33

Whittard, W.F. 1961. The Ordovician trilobites of the Shelve Inlier, West Shropshire Palaeontographical Society Monographs vol. 17 (4): p.227 pl. xxxiii fig.11

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