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Fossil specimen : SM A 28940 – Paratype

Taxonomic Group

Kingdom Animalia

  Phylum Arthropoda

    Class Trilobita

      Order Phacopida

Fossil Name Pseudosphaerexochus tectus Ingham, 1974
Type Status Paratype
Name History

Pseudosphaerexochus tectus Ingham, 1974: Paratype

Cheirurus octolobatus (McCoy)

Registration No. A 28940
Collector Name not available
Donor or Associated Person King, W.B.R.
Held By Sedgwick Museum of Earth Sciences Logo Sedgwick Museum of Earth Sciences, University of Cambridge
Country England
Locality Sally Brow, Sally Beck (exposures near), Murthwaite, Sedburgh (6 miles N.E.), Cautley, Westmorland, England
Grid Reference Not available
Rock Unit Calymene (Diacalymene marginata) Beds)
Biozone 1
Geological Age

Cautleyan Stage (Ordovician Period) (447 – 448 Ma B.P.)

[Closest ICS interval: Katian Age ]


Ingham 1974. The Upper Ordovician trilobites from the Cautley and Dent districts of Westmorland and Yorkshire Palaeontographical Society Monographs vol. ii (2): p.68 pl.13 fig.8Pt.2

King & Williams 1948. Geological Magazine vol. lxxxc, pp. 205-212 (1): p.210

Available Images

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