Edited by oilshale
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Leioceras comptocostosum var. substriatum (Chandler & Callomon 2009)
Images: 
By Ludwigia (edited)
Taxonomy
Ammonite
Kingdom: Animalia
Phylum: Mollusca
Class: Cephalopoda
Order: Ammonitida
Family: Graphoceratidae
Genus: Leioceras
Species: Leioceras comptocostosum var. substriatum
Author Citation Chandler & Callomon 2009
Geological Time Scale
Eon: Phanerozoic
Era: Mesozoic
Period: Jurassic
Sub Period: None
Epoch: Middle
International Age: Early Aalenian
Stratigraphy
Inferior Oolite Formation
Biostratigraphy
Scissum zone
Provenance
Date Collected: 07/15/2015
Acquired by: Purchase/Trade
Dimensions
Diameter: 6.5 cm
Location
Beaminster
Dorset
United Kingdom
Comments
This is a variation of a relatively newly created species collected at the type locality by the first author of the following work.
Literature: 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 Archaeological Society.
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