GB3D Type Fossils

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Fossil specimen : BGS GSM47133 – Holotype

Taxonomic Group

Kingdom Animalia

  Phylum Mollusca

    Class Cephalopoda

      Order Ammonitida

Fossil Name Polysphinctites polysphinctus Buckman, SS.
Type Status Holotype
Name History

Polysphinctites polysphinctus Buckman, SS. – See Buckman, SS (1922): Holotype

Registration No. GSM47133
Collector Buckman Collection. 1924
Donor or Associated Person Buckman, SS. 1924
Held By British Geological Survey Logo British Geological Survey
Comments Inferior Oolite - parkinsoni zone and zigzag subzone.
Country England
Locality Burton Bradstock - Dorset.
Grid Reference Not available
Rock Unit Inferior Oolite Group
Biozone zigzag
Geological Age

Bathonian Age (Jurassic Period) – Aalenian Age (Jurassic Period) (166.1 – 174.1 Ma B.P.)


Arkell, WJ. 1955. Bathonian Ammonites - Mon.Palaeont.Soc p.138 pl16.,figs7a,b

Buckman, SS. 1922. Type Ammonites pl322A

Hahn. 1970. Jb.Geol.Landesamt. Baden-Wurttemberg p.56-57

Available Images

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Steroscopic photographs


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