GB3D Type Fossils

Fossil specimen : OUM J.75000 – Holotype

Taxonomic Group

Kingdom Animalia

  Phylum Mollusca

    Class Cephalopoda

      Order Ammonitida

Fossil Name Tetraspidoceras westfieldense Edmunds, Varah & Bentley, 2003
Type Status Holotype
Name History

Tetraspidoceras westfieldense Edmunds, Varah & Bentley, 2003 – See Edmunds, Varah & Bentley (2003): Holotype

Registration No. J.75000
Collector Edmunds, M.
Donor or Associated Person Edmunds, M.
Held By Oxford University Museum of Natural History Logo Oxford University Museum of Natural History
Country England
Locality St Peter's Field, Westfield Industrial Complex, Radstock, Somserset
Grid Reference Available from host institution
Rock Unit Lias Group, Edmunds' Bed 1a, Gleviceras Limestone, Lower Lias
Biozone Paltechioceras aplanatum
Geological Age

Sinemurian Age (Jurassic Period) (190.8 – 199.3 Ma B.P.)


EDMUNDS, M., VARAH, M. and BENTLEY, A. 2003. The ammonite biostratigraphy of the Lower Lias ‘Armatum Bed’ (Upper Sinemurian-Lower Pliensbachian) at St Peter’s Field, Radstock, Somerset. Proc. Geol. Ass., 114, 65-96. pp. 92, 94; fig. 22.1 a - c

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