Middle Cambrian molluscs from the southern New England Fold Belt, New South Wales, Australia

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    Abstract

    Middle Cambrian (Floran-Undillan) allochthonous limestone clasts from the Murrawong Creek Formation, southern New England Fold Belt, northeastern N.S.W., Australia, yield a well preserved silicified moluscan fauna consisting of the helcionelloids Latouchella accordionata Runnegar and Jell, Latouchella aliciae nov. sp., Yochelcionella daleki Runnegar and Jell, Anabarella simesi MacKinnon, and the paragastropod Pelagiella sp. cf. P. deltoides Runnegar and Jell. On the basis of a single bellerophontiform-like muscle scar fortuitously preserved in one specimen, Protowenella is tentatively re-interpreted as an archaeogastropod, though a tergomyan affinity cannot be ruled out. The fauna displays strong regional affinities with the 'first discovery limestone' member of the Coonigan Formation, western N.S.W., sequences in the Georgina Basin, northern Australia, and northwest Nelson in New Zealand.

    Original languageEnglish
    Pages (from-to)571-586
    Number of pages16
    JournalGeobios
    Volume31
    Issue number5
    Publication statusPublished - 1998

    Keywords

    • Archaeogastropoda
    • Australia
    • Helcionellida
    • Middle cambrian
    • Mollusca
    • Paragastropoda

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