GB3D Type Fossils

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Fossil specimen : OUM J.01851 – Holotype

Taxonomic Group

Kingdom Animalia

  Phylum Mollusca

    Class Cephalopoda

      Order Ammonitida

Fossil Name Gulielmites obductus S.S. Buckman, 1925
Type Status Holotype
Name History

Gulielmites obductus S.S. Buckman, 1925 – See Buckman, S.S. (1925): Holotype

Registration No. J.01851
Collector Name not available
Donor or Associated Person Gaddum, C.C.
Held By Oxford University Museum of Natural History Logo Oxford University Museum of Natural History
Country England
Locality Calvert Brickyard, Buckinghamshire
Grid Reference Available from host institution
Rock Unit Peterborough Member, 25 ft below Acutistriatum Band
Biozone Not available
Geological Age

Callovian Age (Jurassic Period) (163.5 – 166.1 Ma B.P.)


BUCKMAN, S.S. 1925. Type Ammonites, V, 1-88, pls 194 and 6 (reissued). pl. 559

Available Images

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Steroscopic photographs


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