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  • Trilobite Tail


    Images:

    LordTrilobite
    • The tail shield (pygidium) of a large trilobite.

    Taxonomy

    Kingdom: Animalia
    Phylum: Arthropoda
    Class: Trilobita
    Order: Ptychopariida
    Family: Asaphidae
    Genus: Megistaspis (Megistaspidella)
    Species: M. (M) gigas
    Author Citation Angelin, N.P. (1852)

    Geological Time Scale

    Eon: Phanerozoic
    Era: Paleozoic
    Period: Ordovician
    Epoch: Late

    Stratigraphy

    unknown formation

    Provenance

    Acquired by: Purchase/Trade

    Location

    Hällekis Quarry
    Kinnekulle
    Skaraborgs län
    Sweden

    Comments

    The tail shield (pygidium) of a large trilobite.



    User Feedback


    JAANUSSON 1956 renamed the genus Megalaspis ANGELIN 1852 as Megistaspis in order to avoid the homonymy
    with Megalaspis BLEEKER 1851

     

    Jaanusson, Valdar (1956)
    Untersuchungen über baltoskandische Asaphiden III. Über die Gattungen Megistaspis n. nom. und Homalopyge n. gen.
    Studies on Baltoscandian Asaphids III: On the genera Megistaspis n. nom. and Homalopyge n. gen.
    Bulletin of the Geological Institution of Uppsala, 36:59-77 

     

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