GB3D Type Fossils

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Fossil specimen : BGS GSM7920 – Undifferentiated Type

Taxonomic Group

Kingdom Animalia

  Phylum Mollusca

    Class Cephalopoda

      Order Ammonitida

Fossil Name Stephanoceras humphriesianum (Sowerby, J de C.)
Type Status Undifferentiated Type
Name History

Stephanoceras humphriesianum (Sowerby, J de C.) – See Sowerby, J de C

Registration No. GSM7920
Collector Firth Collection.
Donor or Associated Person Firth, CB. 1902
Held By British Geological Survey Logo British Geological Survey
Comments Note: this is a cast only.
Country England
Locality Sherborne - Dorset.
Grid Reference Not available
Rock Unit Inferior Oolite Group
Biozone Humphriesianum
Geological Age

Bathonian Age (Jurassic Period) – Aalenian Age (Jurassic Period) (164.7 – 175.6 Ma B.P.)


Original specimen fig'd by Sowerby, J de C. Mineral Conchology pl500.,fig1

Available Images

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Steroscopic photographs


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