GB3D Type Fossils

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Fossil specimen : BGS GSM37237 – Holotype

Taxonomic Group

Kingdom Animalia

  Phylum Mollusca

    Class Cephalopoda

      Order Ammonitida

Fossil Name Pachydiscus sharpei (Spath)
Type Status Holotype
Name History

Pachydiscus sharpei (Spath)

Ammonites gollerillensis Sharpe

Registration No. GSM37237
Collector Name not available
Donor or Associated Person Ordnance survey of Ireland Por
Held By British Geological Survey Logo British Geological Survey
Comments See Portlock rept pg 403 Campanian
Country Northern Ireland
Locality Tamlaght Co Derry
Grid Reference Not available
Rock Unit Chalk Group
Biozone Not available
Geological Age

Maastrichtian Age (Cretaceous Period) – Cenomanian Age (Cretaceous Period) (66 – 100.5 Ma B.P.)


Sharpe. 1857. Foss Moll of the Chalk Cephalopoda Mon Pal Soc p.48 XXII fig 2a b c

Spath LF. 1922. Trans Roy Soc S Africa p.122

Wright. 1951. Brit Chalk Ceph Mon Pal Soc p.20

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