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Fossil specimen : SM A 11914 – Syntype

Taxonomy
Taxonomic Group

Kingdom Animalia

  Phylum Arthropoda

    Class Trilobita

      Order Proetida

Fossil Name Toernquistia nicholsoni (Reed), 1896
Type Status Syntype
Name History

Toernquistia nicholsoni (Reed), 1896

Cyphaspis (Tornquistia) nicholsoni Reed: Syntype

Cyphaspis triradiatus (Törnquist)

Provenance
Registration No. A 11914
Collector Name not available
Donor or Associated Person Nicholson, Henry Alleyne (1844-1899)
Held By Sedgwick Museum of Earth Sciences Logo Sedgwick Museum of Earth Sciences
Comments
Location
Country England
Locality Keisley, Westmorland, England
Grid Reference Not available
Stratigraphy
Rock Unit Keisley Limestone
Biozone Not available
Geological Age

Ashgill Series (Ordovician Period) (443.7 – 451 Ma B.P.)

[Closest ICS interval: Late Ordovician Epoch ]

References
References

Dean 1974. The trilobites of the Chair of Kildare limestone (Upper Ordovician) of Eastern Ireland Palaeontographical Society Monographs (4): p.65

Nicholson, H.A. & Marr, J.E. 1891. The Cross Fell Inlier (with appendices by Alfred Harker and A.H. Foord) Quarterly Journal of the Geological Society of London volume 47 pages 500-529 (1): p.507

Reed, F.R.C. 1896. Quarterly Journal of the Geological Society of London vol. lii (2): p.433 pl. xxi fig.3 a

Whittington, H.B. 1950 b. Journal of Paleontology vol. xxiv (3): p.561 pl.75 fig.9 (pars)

Available Images

High resolution photographs

/CAMSM/P867729.jp2

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/CAMSM/P867731.jp2

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Steroscopic photographs

/CAMSM/P870769.jp2

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