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Fossil specimen : BGS GSM47560 – Holotype

Taxonomic Group

Kingdom Animalia

  Phylum Mollusca

    Class Cephalopoda

      Order Ammonitida

Fossil Name Echioceras crassicostatum Trueman & Williams
Type Status Holotype
Name History

Echioceras crassicostatum Trueman & Williams

Registration No. GSM47560
Collector Name not available
Donor or Associated Person Buckman, S. 1926
Held By British Geological Survey Logo British Geological Survey
Comments Lower Lias (raricostatum zone, raricastatoides subzone).
Country England
Locality Kilmersdon Colliery Quarry - Radstock.
Grid Reference Not available
Rock Unit Lias Group
Biozone Not available
Geological Age

Aalenian Age (Jurassic Period) – Rhaetian Age (Triassic Period) (170.3 – 209.5 Ma B.P.)


Buckman S 1925 Type Ammonites Vol V Pl DLIII

Transacation Royal Society of Edinburgh 1925 Vol LIII p.712

Available Images

High resolution photographs


3600 KB


4489 KB

Steroscopic photographs


3892 KB


4970 KB

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3D Scans

1: /BGS/GSM_47560

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