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  • Cymaceras (Trochiskioceras) bidenosum (Quenstedt 1857)


    Images:

    Ludwigia

    Taxonomy

    Ammonite

    Kingdom: Animalia
    Phylum: Mollusca
    Class: Cephalopoda
    Order: Ammonitida
    Family: Glochiceratidae
    Genus: Cymatoceras (Trochiskioceras)
    Species: Cymaceras (Trochiskioceras) bidenosum
    Author Citation Quenstedt 1857

    Geological Time Scale

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

    Stratigraphy

    Lacunosa-Mergel Formation

    Biostratigraphy

    hypselocylum zone

    Provenance

    Collector: Roger Furze
    Date Collected: 08/18/2012
    Acquired by: Field Collection

    Dimensions

    Diameter: 1 cm

    Location

    Hausen i. Tal
    Upper Danube Valley
    Baden-Wuerttemberg
    Germany

    Comments

    This little fellow is so small that I had to photograph it under the microscope. It's amazing that I found it at all. They don't get much bigger than this apparently. One of the dwarves under the ammonites. This is the microconch to Cymaceras guembeli.




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