Edited by oilshale
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Lytoceras jurense (Denckman 1887)
Images: 
By Ludwigia (edited)
Taxonomy
Ammonite
Kingdom: Animalia
Phylum: Mollusca
Class: Cephalopoda
Order: Ammonitida
Family: Lytoceratidae
Genus: Lytoceras
Species: Lytoceras jurense
Author Citation Denckman 1887
Geological Time Scale
Eon: Phanerozoic
Era: Mesozoic
Period: Jurassic
Sub Period: None
Epoch: Early
International Age: Late Toarcian
Stratigraphy
No Formations in France
Biostratigraphy
Zone indeterminable
Provenance
Collector: Roger Furze
Date Collected: 08/12/2008
Acquired by: Field Collection
Dimensions
Diameter: 15 cm
Location
Évrécy
Calvados
Normandy
France
Comments
Limestone mold of perhaps only a part of the phragmocone. This genus could get very large (deep sea goers) and they lasted chronologically for a long time, existing for most of the jurassic and cretaceous periods. It was not possible to determine the zone, since it was found in a loose block at a construction site where several zones were exposed.
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