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Fossil specimen : SM A 11908 – Holotype

Taxonomic Group

Kingdom Animalia

  Phylum Arthropoda

    Class Trilobita

      Order Lichida

Fossil Name Dicranopeltis polytoma (Angelin), 1854
Type Status Holotype
Name History

Dicranopeltis polytoma (Angelin), 1854

Dicranopeltis difurcata (Reed)


Lichas bulbiceps Reed ex Phillips ms.: Holotype

Registration No. A 11908
Collector Name not available
Donor or Associated Person Reed, Frederick Richard Cowper (1869-1946)
Held By Sedgwick Museum of Earth Sciences Logo Sedgwick Museum of Earth Sciences, University of Cambridge
Country England
Locality Keisley, Westmorland, England
Grid Reference Not available
Rock Unit Keisley Limestone
Biozone Not available
Geological Age

Ashgill Series (Ordovician Period) (443.8 – 449 Ma B.P.)

[Closest ICS interval: Late Ordovician Epoch ]


Dean 1974. The trilobites of the Chair of Kildare limestone (Upper Ordovician) of Eastern Ireland Palaeontographical Society Monographs (4): p.80

Reed, F.R.C. 1896. Quarterly Journal of the Geological Society of London vol. lii (1): p.428 pl. xxi figs.8, 8 a-b

Tripp 1958. Journal of Paleontology vol. xxxii (3): p.580

Warburg 1925. Bulletin of the Geological Institution of the University of Upsala vol. xvii (2): p.293

Available Images

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