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  • Dorsetensia romani (Oppel 1857)


    Images:

    Ludwigia

    Taxonomy

    Ammonite

    Kingdom: Animalia
    Phylum: Mollusca
    Class: Cephalopoda
    Order: Ammonitida
    Family: Graphoceratidae
    Genus: Dorsetensia
    Species: Dorsetensia romani
    Author Citation Oppel 1857

    Geological Time Scale

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

    Stratigraphy

    Humphriesioolith Formation

    Biostratigraphy

    humphresianum zone
    romani subzone

    Provenance

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

    Dimensions

    Diameter: 7.5 cm

    Location

    Geisingen a. d. Donau
    Baden-Wuerttemberg
    Germany

    Comments

    Found on a plowed field. The shell on the phragmocone is preserved. Index fossil for the romani subzone.




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