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Fossil specimen : BGS GSM12413 – Holotype

Taxonomic Group

Kingdom Animalia

  Phylum Mollusca

    Class Bivalvia

      Order -

Fossil Name Deceptrix subtruncata (Portlock)
Type Status Holotype
Name History

Deceptrix subtruncata (Portlock)

Ctenodonta eastnori Portlock

Arca eastnori (Murchison)

Ctenodonta deserta (Reed)

Registration No. GSM12413
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 Killey Bridge Formation
Biozone Not available
Geological Age

Cautleyan Stage (Ordovician Period) – Pusgillian Stage (Ordovician Period) (447 – 449 Ma B.P.)

[Closest ICS interval: Katian Age ]


Hind,1910,Trans Roy.Soc.Edin,XLVII,pt.2 pg. 525

Portlock,1843,Geol. Rep. Londonderry as Arca eastnori ?(Murch.) pl.III,fig.8

Reed,1952,Proc.Roy.Irish Acad.,55,B, no. 3,ibid pg.64-65 pl.III,fig.8

Tunnicliff,1982,Pal. v.25,pt.1,pg. 60-61 pl. 9,fig.7

Available Images

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Steroscopic photographs


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