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  • Pseudogrammoceras fallaciosum (Bayle 1878)


    Images:

    Ludwigia

    Taxonomy

    Ammonite

    Kingdom: Animalia
    Phylum: Mollusca
    Class: Cephalopoda
    Order: Ammonitida
    Family: Hildoceratidae
    Genus: Pseudogrammoceras
    Species: Pseudogrammoceras fallaciosum
    Author Citation Bayle 1878

    Geological Time Scale

    Eon: Phanerozoic
    Era: Mesozoic
    Period: Jurassic
    Sub Period: None
    Epoch: Early
    International Age: Late Toarcian

    Biostratigraphy

    Thoarsense zone
    Fallaciosum Subzone

    Provenance

    Collector: Roger Furze
    Date Collected: 06/10/2012
    Acquired by: Field Collection

    Dimensions

    Diameter: 11 cm

    Location

    Lafarge quarry
    Belmont d'Azergues
    Rhone
    France

    Comments

    This is the index fossil for the fallaciosum subzone.

     

    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

                       Rulleau, L. (2001): Les Grammoceratinae du Toarcien Superieur de la Region Lyonaisse, SectionGeol.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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