GB3D Type Fossils

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Fossil specimen : BGS GSM18150 – Holotype

Taxonomy
Taxonomic Group

Kingdom Animalia

  Phylum Mollusca

    Class Cephalopoda

      Order Ammonitida

Fossil Name Aulacostephanus (Aulacostephanus) fallax Ziegler
Type Status Holotype
Name History

Aulacostephanus (Aulacostephanus) fallax Ziegler – See Ziegler (1962): Holotype

Aulacostephanus sp nov aff anglicus evallidus Lamplugh, pars – See Arkell, WJ (1906)

Provenance
Registration No. GSM18150
Collector Danford Collection. 1906
Donor or Associated Person Danford, CG. 1906
Held By British Geological Survey Logo British Geological Survey
Comments Kimmeridge Clay - pseudomutabilis Zone.
Location
Country England
Locality Speeton - North Yorkshire.
Grid Reference Not available
Stratigraphy
Rock Unit Kimmeridge Clay Formation
Biozone Not available
Geological Age

Kimmeridgian Age (Jurassic Period) (150.8 – 155.6 Ma B.P.)

References
References

Arkell, WJ. 1906-1908. Proc Yorks Geol Soc plXIV.,fig1

Arkell, WJ. 1933. Jurassic System plXXXIX.,fig3

Ziegler. 1962. Palaeontographica pl16.,fig4

Available Images

High resolution photographs

/BGS/P832907.JP2

5846 KB

Steroscopic photographs

/BGS/P833420.JP2

6648 KB


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