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Fossil specimen : BGS GSM12846 – Syntype

Taxonomic Group

Kingdom Animalia

  Phylum Arthropoda

    Class Trilobita

      Order Asaphida

Fossil Name Brachyaspis rectifrons
Type Status Syntype
Name History

Brachyaspis rectifrons

Asaphus (Isotelus) rectifrons Portlock

Asaphus (Brachyaspis) rectifrons

Isotelus rectifrons

Registration No. GSM12846
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 Ordovician Rocks (Undifferentiated)
Biozone Not available
Geological Age

Ordovician Period (Ordovician Period) (443.8 – 485.4 Ma B.P.)


Figd Pal Soc 1864 pl 25 figs 6-7

Portlock Geol Rept pl 9 figs 1a & 1b

Portlock,1843, Geol.Rep.Londonderry, etc op.cit., Page 298 pl 9 fig 1a

Reed 1931 Ann.Mag.Nat.Hist.Ser.10, VII, Page 452

Reed 1952 Proc.Roy.Irish.Acad.,55,B,No.3,Page 110 original of Portlock's quoted as "type of Salter, 1866 Mon.Brit.Trilobites(Palaeont.Soc.) Page 166

Salter 1866 Mon.,Brit. Trilobites (Palaeont.Soc)op.cit. 166 pl 25 figs 6&7

Available Images

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Steroscopic photographs


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