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Fossil specimen : BGS GSM19195 – Syntype

Taxonomic Group

Kingdom Animalia

  Phylum Arthropoda

    Class Trilobita

      Order Phacopida

Fossil Name Phacops (Achatella) truncatocaudatus Portlock
Type Status Syntype
Name History

Phacops (Achatella) truncatocaudatus Portlock

Phacops truncatocaudatus Portlock

Registration No. GSM19195
Collector Portlock
Donor or Associated Person Name not available
Held By British Geological Survey Logo British Geological Survey
Comments Specimen includes a cast
Country Northern Ireland
Locality Desertcreight,Tyrone,N. Ireland
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.ibid.p.281 pl.II,fig. 2,3

Reed, 1952,proc. Roy. Irish Acad.,55,B,no.3,pg.121

Salter,1864,Mon. Brit Tril

Available Images

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