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Fossil specimen : BGS GSM18991 – Lectotype

Taxonomic Group

Kingdom Animalia

  Phylum Arthropoda

    Class Trilobita

      Order Corynexochida

Fossil Name Stygina latifrons (Portlock)
Type Status Lectotype
Name History

Stygina latifrons (Portlock)

Registration No. GSM18991
Collector Portlock
Donor or Associated Person Name not available
Held By British Geological Survey Logo British Geological Survey
Country Northern Ireland
Locality Desertcreat, Co. Tyrone
Grid Reference Not available
Rock Unit Ashgill Formation
Biozone Not available
Geological Age

Hirnantian Age (Ordovician Period) – Rawtheyan Stage (Ordovician Period) (443.8 – 447 Ma B.P.)


HB. Whittington, Jour. Palaeont. vol.24, no. 5 1950 ibid pp. 547-549 pl. 72 fig.1-3

Ingham 1970,Pal. Soc. Mon. pg. 16

Portlock, Geol. Rep. Londonderry etc. ,1843 as Asaphus latifrons ibid. pg. 292 pl. 7,fig. 6a

Salter," Mon. Brit. Trilobites " Pal. Soc. 1866 ibid. pg. 172 pl. XVIII,fig. 7,pars 10

Salter,Dec. XI, Mem. Geol. Surv. ,1864 pl. 2,fig. 1,2

Available Images

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3D Scans

1: /BGS/GSM_18991

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