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Fossil specimen : BGS GSM87564 – Holotype

Taxonomic Group

Kingdom Animalia

  Phylum Mollusca

    Class Cephalopoda

      Order Ammonitida

Fossil Name Paracraspedites opressus Casey
Type Status Holotype
Name History

Paracraspedites opressus Casey

Paracraspedites aff stenomphaloides Swinnerton

Registration No. GSM87564
Collector Name not available
Donor or Associated Person Heap W Esq
Held By British Geological Survey Logo British Geological Survey
Comments Portland Stone Shrimp Bed
Country England
Locality Portland Island - Dorset.
Grid Reference Not available
Rock Unit Portland Group
Biozone opressus
Geological Age

Tithonian Age (Jurassic Period) (145 – 152.1 Ma B.P.)


Casey R & Rawson PF. The Boreal Lower Cretaceous p.230 1 fig 1

Casey R. 1973. The Ammonite Succession at the Jurassic Cretaceous Boundary in Eastern England

Available Images

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2168 KB

Steroscopic photographs


3697 KB

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3D Scans

1: /BGS/GSM_87564

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