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Fossil specimen : BGS GSM9799 – Lectotype

Taxonomic Group

Kingdom Animalia

  Phylum Mollusca

    Class Bivalvia

      Order -

Fossil Name Pachyrisma grande Morris & Lycett
Type Status Lectotype
Name History

Pachyrisma grande Morris & Lycett

Registration No. GSM9799
Collector Name not available
Donor or Associated Person Lycett 1864
Held By British Geological Survey Logo British Geological Survey
Country England
Locality Bussage - Gloucestershire.
Grid Reference Not available
Rock Unit Great Oolite Group
Biozone Not available
Geological Age

Bathonian Age (Jurassic Period) (166.1 – 168.3 Ma B.P.)


Cox & Arkell. 1948. Palaeont Soc p.38

Morris & Lycett. 1853. Palaeont Soc Great Oolite Mollusca 8 fig 1 2 5

Available Images

High resolution photographs


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Steroscopic photographs


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3D Scans

1: /BGS/GSM_9799

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