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Fossil specimen : BGS JR3 – Holotype

Taxonomic Group

Kingdom Animalia

  Phylum Mollusca

    Class Cephalopoda

      Order Ammonitida

Fossil Name Pleuroceras gigas Howarth
Type Status Holotype
Name History

Pleuroceras gigas Howarth

Registration No. JR3
Collector Rhodes, J. - Geological Survey
Donor or Associated Person Name not available
Held By British Geological Survey Logo British Geological Survey
Comments Middle Lias (spinatum zone, apyrenum subzone). 1" 143.
Country England
Locality Woolsthorpe Ironstone Works - Leic.
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.)


Howarth MK 1958 Mon Palaeont Soc - Liassic Amaltheidae p.48-49 plX.,figs1,b

Available Images

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Steroscopic photographs


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3D Scans

1: bracket /BGS/JR3

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