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  • Chondroceras evolvescens (Waagen 1867)


    Images:

    Ludwigia

    Taxonomy

    Ammonite

    Kingdom: Animalia
    Phylum: Mollusca
    Class: Cephalopoda
    Order: Ammonitida
    Family: Sphaeroceratidae
    Genus: Chondroceras
    Species: Chondroceras evolvescens
    Author Citation Waagen 1867

    Geological Time Scale

    Eon: Phanerozoic
    Era: Mesozoic
    Period: Jurassic
    Sub Period: None
    Epoch: Middle
    International Age: Early Bajocian

    Stratigraphy

    No Formations in France

    Biostratigraphy

    humphresianum zone
    romani subzone
    gervillii horizon

    Provenance

    Collector: Paul Winkler
    Date Collected: 07/10/2010
    Acquired by: Purchase/Trade

    Dimensions

    Diameter: 4.5 cm

    Location

    Évrécy
    Calvados
    Normandy
    France

    Comments

    This complete specimen with its "cap" was found at a temporary building site.




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