GB3D Type Fossils

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Fossil specimen : SM J 3311 – Holotype

Taxonomic Group

Kingdom Animalia

  Phylum Mollusca

    Class Cephalopoda

      Order Ammonitida

Fossil Name Clydoniceras discus var. blakei Arkell
Type Status Holotype
Name History

Clydoniceras discus var. blakei Arkell: Holotype

Clydoniceras discus (Sowerby J.)

Clydoniceras discus (Sowerby J.): Holotype

Clydoniceras discus (Sowerby J.)

Registration No. J 3311
Collector Name not available
Donor or Associated Person Name not available
Held By Sedgwick Museum of Earth Sciences Logo Sedgwick Museum of Earth Sciences, University of Cambridge
Country England
Locality Sudbrook, Lincolnshire, England
Grid Reference Not available
Rock Unit Lower Cornbrash
Biozone Not available
Geological Age

Callovian Age (Jurassic Period) – Bathonian Age (Jurassic Period) (163.5 – 168.3 Ma B.P.)


Arkell, W.J. 1951 b. Monograph of the English Bathonian ammonites Palaeontographical Society Monographs (4): pp.33, 36,40 pl. ii fig.8

Blake, J.F. 1905. A monograph of the fauna of the Cornbrash Palaeontographical Society Monographs (1): p.54 pl. vi fig.1

Buckman, S.S. 1924. Yorkshire type ammonites vol. v (2): p.25 pl. dvi figs.1-3

Cox, L.R. & Arkell, W.J. 1950. A survey of the mollusca of the British Great Oolite series Palaeontographical Society Monographs (3): p.91

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