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Fossil specimen : BGS NIL8935 – Holotype

Taxonomic Group

Kingdom Animalia

  Phylum Mollusca

    Class Bivalvia

      Order -

Fossil Name Praenucula infirma Tunnicliff
Type Status Holotype
Name History

Praenucula infirma Tunnicliff

Registration No. NIL8935
Collector Survey
Donor or Associated Person Name not available
Held By British Geological Survey Logo British Geological Survey
Comments Sample also includes 3 photographs and 2 latex casts
Country Northern Ireland
Locality Crocknagargan stream section
Grid Reference Available from host institution
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 ]


Tunnicliff,1982,Pal. v. 25 pt.1,pg. 52 pl. 7,figs.11-13 36

Available Images

High resolution photographs


3035 KB


6807 KB

Steroscopic photographs


3321 KB


5851 KB

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