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  • Oxycerites orbis (Giebel 1852)


    Images:

    Ludwigia

    Taxonomy

    Ammonite

    Kingdom: Animalia
    Phylum: Mollusca
    Class: Cephalopoda
    Order: Ammonitida
    Family: Oppeliidae
    Genus: Oxycerites
    Species: Oxycerites orbis
    Author Citation Giebel 1852

    Geological Time Scale

    Eon: Phanerozoic
    Era: Mesozoic
    Period: Jurassic
    Sub Period: None
    Epoch: Middle
    International Age: Late Bathonian

    Stratigraphy

    Variansmergel Formation

    Biostratigraphy

    Orbis zone
    Orbis subzone

    Provenance

    Collector: Roger Furze
    Date Collected: 10/08/2011
    Acquired by: Field Collection

    Dimensions

    Diameter: 21.5 cm

    Location

    Hondingen
    Blumberg
    Baden-Wuerttemberg
    Germany

    Comments

    This sample is quite weathered, since it was found on a plowed field in autumn, but it show clearly the flat discus shape which could reach quite large proportions. This species gives its name to the zone and subzone where it occurs.

     

    Old German Chronostratigraphy: Dogger (Braunjura) epsilon

    Literature: Dietze,V., Schweigert G., Dietl G. (2014): Chrono-/Biostratigraphie im Mitteljura von SW-Deutschland. 2. Teil: Bathonium. Jh. Ges. Naturkde.        Württemberg 170/1, S.191-203.




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