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Fossil specimen : BGS GSM30518 – Undifferentiated Type

Taxonomic Group

Kingdom Animalia

  Phylum Mollusca

    Class Cephalopoda

      Order Ammonitida

Fossil Name Gulielmites sedgwickii (Pratt)
Type Status Undifferentiated Type
Name History

Gulielmites sedgwickii (Pratt)

Registration No. GSM30518
Collector Pratt Collection. 1851
Donor or Associated Person Pratt, SP. 1851
Held By British Geological Survey Logo British Geological Survey
Comments Oxford Clay - jason zone.
Country England
Locality Christian Malford - Wilts.
Grid Reference Not available
Rock Unit Oxford Clay Formation
Biozone Jason
Geological Age

Oxfordian Age (Jurassic Period) – Callovian Age (Jurassic Period) (155.6 – 164.7 Ma B.P.)


Buckman, SS. 1921. Type Ammonites plDXCVIII

No Author given -. 1842. Ann Mag Nat Hist plV.,fig1

Available Images

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