GB3D Type Fossils

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Fossil specimen : SM J 3275 – Holotype

Taxonomic Group

Kingdom Animalia

  Phylum Mollusca

    Class Cephalopoda

      Order Ammonitida

Fossil Name Coeloderoceras validum (Simpson)
Type Status Holotype
Name History

Coeloderoceras validum (Simpson): Holotype

Deroceras validum (Simpson): Holotype

Aegoceras validum (Simpson)

Aegoceras validum (Simpson)

Ammonites validus Simpson

Ammonites validus Simpson

Registration No. J 3275
Collector Name not available
Donor or Associated Person Leckenby, John (1814-1877)
Held By Sedgwick Museum of Earth Sciences Logo Sedgwick Museum of Earth Sciences, University of Cambridge
Country England
Locality Robin Hood's Bay, Whitby, Yorkshire, England
Grid Reference Not available
Rock Unit Lower Lias
Biozone armatum
Geological Age

Early Jurassic Epoch (Jurassic Period) (174.1 – 201.3 Ma B.P.)


Buckman, S.S. 1913. Yorkshire type ammonites ii part ix no. 73 (5): part x no.83 pl. lxxxiii figs.1-2

Howarth 1962. Palaeontology vol. v (6): p.108

Simpson, M. 1855. The fossils of the Yorkshire Lias 1st edition (1): p.62

Simpson, M. 1884. The fossils of the Yorkshire Lias 2nd. edition (and 1942 3rd. ed.) (2): p.95

Tate, R. & Blake, J.F. 1876. The Yorkshire Lias (3): p.278 pl. vii fig.3

Woods 1893 b. Geological Magazine n.s. dec. (3), vol. x (4): p.116

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