GB3D Type Fossils

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Fossil specimen : BGS GSM49291 – Holotype

Taxonomic Group

Kingdom Animalia

  Phylum Mollusca

    Class Cephalopoda

      Order Ammonitida

Fossil Name Protogrammoceras platypleurum (Buckman SS)
Type Status Holotype
Name History

Protogrammoceras platypleurum (Buckman SS)

Registration No. GSM49291
Collector Name not available
Donor or Associated Person Buckman, SS. 1928
Held By British Geological Survey Logo British Geological Survey
Comments Middle Lias (spinatum zone). 1" 327.
Country England
Locality Thorncombe Beacon - Dorset.
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 SS 1927 Type Ammonites Vol VI (as Platyharpites platypleurus SSB) plDCXVIII

Available Images

High resolution photographs


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Steroscopic photographs


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