Edited by oilshale
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Haugi variabilis (d'Orbigny 1844)
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By Ludwigia (edited)
Taxonomy
Ammonite
Kingdom: Animalia
Phylum: Mollusca
Class: Cephalopoda
Order: Ammonitida
Family: Hildoceratidae
Genus: Haugi
Species: Haugi variabilis
Author Citation d'Orbigny 1844
Geological Time Scale
Eon: Phanerozoic
Era: Mesozoic
Period: Jurassic
Sub Period: None
Epoch: Early
International Age: Late Toarcian
Biostratigraphy
Variabilis zone
Provenance
Collector: Roger Furze
Date Collected: 06/10/2012
Acquired by: Field Collection
Dimensions
Diameter: 7.5 cm
Location
Lafarge quarry
Belmont d'Azergues
Rhone
France
Comments
This is the index fossil for the variabilis zone, the lowermost biozone of the European Toarcian.
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.
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