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  • Cenoceras intermedium (Sowerby 1816)


    Images:

    Ludwigia

    Taxonomy

    Nautilus

    Kingdom: Animalia
    Phylum: Mollusca
    Class: Cephalopoda
    Order: Nautilida
    Family: Nautilidae
    Genus: Cenoceras
    Species: Cenoceras intermedium
    Author Citation Sowerby 1816

    Geological Time Scale

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

    Stratigraphy

    Achdorf Formation

    Biostratigraphy

    Concavum zone

    Provenance

    Collector: Roger Furze
    Date Collected: 11/12/2011
    Acquired by: Field Collection

    Dimensions

    Diameter: 8 cm

    Location

    Clay pit
    Geisingen a. d. Donau
    Baden-Wuerttemberg
    Germany

    Comments

    This is part of the phragmocone in steinkern preservation. The siphuncle can be seen in the second to last photo. The last photo shows a large specimen with body chamber (22cm.) and a smaller one, which is just the inner portion of the phragmocone (4cm.). Both are from the same site and zone as the first one.




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