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Fossil specimen : SM X 40269 – Holotype

Taxonomic Group

Kingdom Animalia

  Phylum Mollusca

    Class Cephalopoda

      Order Ammonitida

Fossil Name Leioceras comptocostosum Chandler & Callomon, 2009
Type Status Holotype
Name History

Leioceras comptocostosum Chandler & Callomon, 2009 – See Chandler, R.B. & Callomon, J. (2009): Holotype

Registration No. X 40269
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
Comments specimen
Country England
Locality Coombe Quarry, Dorset, England
Grid Reference Not available
Rock Unit Bed 2 c, Inferior Oolite
Biozone scissum
Geological Age

Aalenian Age (Jurassic Period) (170.3 – 174.1 Ma B.P.)


Chandler, R.B. & Callomon, J. 2009. The Inferior Oolite at Coombe Quarry, near Mapperton, Dorset, and a new Middle Jurassic ammonite faunal horizon, Aa-3b, Leioceras comptocostosum n.biosp. in the Scissum Zone of the Lower Aalenian. Proceedings of the Dorset Natural History and Archaeologic p.107; pl. 1, fig. 1a, b.

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