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Fossil specimen : BGS GSM14013 – Undifferentiated Type

Taxonomic Group

Kingdom Animalia

  Phylum Arthropoda

    Class Trilobita

      Order Asaphida

Fossil Name Trinucleus (Cryptolithus) elongatus Portlock
Type Status Undifferentiated Type
Name History

Trinucleus (Cryptolithus) elongatus Portlock

Registration No. GSM14013
Collector Portlock
Donor or Associated Person Name not available
Held By British Geological Survey Logo British Geological Survey
Country Northern Ireland
Locality Desertcreight,Tyrone
Grid Reference Not available
Rock Unit Caradoc Rocks (Undifferentiated)
Biozone Not available
Geological Age

Caradoc Series (Ordovician Period) (449 – 458.4 Ma B.P.)

[Closest ICS interval: Late Ordovician Epoch ]


Portlock,1843,Geol.Rep. Londonderry etc. pg. 263 pl. 1B,fig. 7

Reed,1952,Proc. Roy. Irish Acad.,55.B,no. 3,pp.95-6 pl. 1B,fig. 7

Available Images

High resolution photographs


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Steroscopic photographs


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3D Scans

1: bracket /BGS/GSM_14013

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