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  • Choffatia (Grossouvria) dilatata (Quenstedt 1887)


    Images:

    Ludwigia
    • Pyritized phragmocone.

    Taxonomy

    Ammonite

    Kingdom: Animalia
    Phylum: Mollusca
    Class: Cephalopoda
    Order: Ammonitida
    Family: Perisphinctidae
    Genus: Choffatia (Grossouvria)
    Species: C. dilatata
    Author Citation Quenstedt 1887

    Geological Time Scale

    Eon: Phanerozoic
    Era: Mesozoic
    Period: Jurassic
    Epoch: Middle
    International Age: Late Callovian

    Stratigraphy

    Ornatenton Formation
    Upper Ornatenton Member

    Biostratigraphy

    Jason zone

    Provenance

    Collector: Roger Furze
    Date Collected: 09/12/2009
    Acquired by: Field Collection

    Dimensions

    Diameter: 13mm

    Location

    Autobahn construction site
    Gruibingen
    Baden-Wuerttemberg
    Germany

    Comments

    Pyritized phragmocone.



    User Feedback


    Ludwigia

    Posted · Report

    Thanks Jim. They sure are cute, these little ones. And the pyrite is holding up well despite the fact that they were found over 7 years ago.

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    lucky, pyrite in my area turns into a white powder in a matter of days! Did you coat them with anything?

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