GB3D Type Fossils

Fossil specimen : SM X 50199 – Holotype

Taxonomic Group

Kingdom Animalia

  Phylum Mollusca

    Class Cephalopoda

      Order Ammonitida

Fossil Name Planammatoceras tenellum Callomon & Chandler, 1994
Type Status Holotype
Name History

Planammatoceras tenellum Callomon & Chandler, 1994: Holotype

Registration No. X 50199
Collector Name not available
Donor or Associated Person Chandler, Robert B.
Held By Sedgwick Museum of Earth Sciences Logo Sedgwick Museum of Earth Sciences, University of Cambridge
Country England
Locality Horn Park, Dorset, England
Grid Reference Not available
Rock Unit Faunal Horizon Aa-7 (Chandler, 1997)
Biozone Ludwigia murchisonae
Geological Age

Bathonian Age (Jurassic Period) – Aalenian Age (Jurassic Period) (166.1 – 174.1 Ma B.P.)


Callomon, J.H. & Chandler, R.B. 1994. Some early Middle Jurassic ammonites of Tethyan affinities from the Aalenian of southern England. Palaeoelagos Special Publications 1, 1994, Roma. Proceedings of the 3rd Pergola International Symposium, pp.17-40. p.25; pl.6, fig.2a-b, p.38

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