A New species of Tannuella (Helcionellida, Mollusca) from the Early Cambrian of South Australia

Glenn A. Brock, John R. Paterson

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    Abstract

    A new species ofthe orthoconic, apically septate, centimetre-sized helcionellid genus Tannuella, T.elinorae, is described from silicified horizons in the upper part of the Lower Cambrian (Botoman) Memmema Formation in the central Flinders Ranges, South Australia. A review of all described species referred to the genus Tannuella indicates that only the type species T.elata, from the Atdabanian of Siberia, and T.elinorae n. sp. from the Botoman Memmerna Formation can be confidently assigned to the genus.
    Original languageEnglish
    Pages (from-to)133-143
    Number of pages11
    JournalAssociation of Australasian Palaeontologists memoirs
    Volume30
    Publication statusPublished - 2004

    Keywords

    • Tannuella
    • helcionellida
    • mollusca
    • Early Cambrian
    • Arrowie Basin
    • South Australia

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