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  • Lecathylus gregarius Weller, 1925


    Images:

    oilshale

    Taxonomy

    Worm

    Kingdom: Animalia
    Phylum: Annelida
    Class: incertae sedis
    Order: incertae sedis
    Family: incertae sedis
    Genus: Lecathylus
    Species: L. gregarius
    Author Citation Weller, 1925

    Geological Time Scale

    Eon: Phanerozoic
    Era: Paleozoic
    Period: Silurian
    Sub Period: None
    Epoch: Late
    International Age: Ludlow (early)

    Stratigraphy

    Upper Lockport Group
    Racine Dolomite Formation
    Chert Bed (12) Member

    Biostratigraphy

    Saetograptus colonus and Monograptus dubius Zone

    Provenance

    Acquired by: Purchase/Trade

    Location

    Blue Island, Calumet Sag Channel
    Cook County
    Illinois
    United States

    Comments

    Lit.
    Weller, St. (1925): A new type of Silurian worm. The Journal of Geology, Vol. 33, 5, pp 540-544
    Roy et. al. (1932): A Silurian worm and associated fauna. Fieldiana, Geology, Vol.4, No.7

     



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