Edited by oilshale
Report Fossil
-
Hildoceras bifrons (Bruguières 1789)
Images: 
By Ludwigia (edited)
Taxonomy
Ammonite
Kingdom: Animalia
Phylum: Mollusca
Class: Cephalopoda
Order: Ammonitida
Family: Hildoceratidae
Genus: Hildoceras
Species: Hildoceras bifrons
Author Citation Bruguières 1789
Geological Time Scale
Eon: Phanerozoic
Era: Mesozoic
Period: Jurassic
Sub Period: None
Epoch: Early
International Age: Early Toarcian
Biostratigraphy
Bifrons zone
Provenance
Collector: Roger Furze
Date Collected: 06/10/2012
Acquired by: Field Collection
Dimensions
Diameter: 17 cm
Location
Lafarge quarry
Belmont d'Azergues
Rhone
France
- a727
- belmont dazergues
- bifrons zone
- france
- hildoceras bifrons
- lafarge quarry
- lower jurassic
- toarcian
Comments
This specimen is missing part of the body chamber, but it displays very well nevertheless what size the shell of this ammonite had reached. This is the index fossil for the European bifrons zone.
Literature: Rulleau, L. (1979): Geologie et Paleontologie des Carrières Lafarge à Belmont (Rhone), Section Geol. d. Comité d'Entreprise de l'usine du Val d'Azergues
Howarth, M.K. (1992): The Ammonite Family Hildoceratidae in the Lower Jurassic of Britain. Monograph of the Palaeontographical Society.
Report Fossil
User Feedback
There are no comments to display.
Create an account or sign in to comment
You need to be a member in order to leave a comment
Create an account
Sign up for a new account in our community. It's easy!
Register a new accountSign in
Already have an account? Sign in here.
Sign In Now