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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Loeffler, E J - Thomas, R. G.
    Type: Article
    In: Palaeontology
    Volume: 23
    Date: 1980
    Page Range: 287--296
    Publication Info: London, Palaeontological Association, 1957-
  2. By: Thomas, R. G.
    Type: Article
    In: Proceedings of the Royal Society of Victoria
    Volume: 34
    Series: new
    Issue: 2
    Date: 1922
    Page Range: 117--127
    Publication Info: Melbourne, The Society, 1889-