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  1. XX.—On a new Labyrinthodont amphibian from the Northumberland coal-field, and on the occurrence in the same locality of Anthracosaurus Russelli
    By: Hancock, Albany - Atthey, Thos
    Type: Article
    In: The Annals and magazine of natural history; zoology, botany, and geology
    Volume: 4
    Series: 4
    Date: 1869
    Page Range: 182--189
    Publication info: London,Taylor and Francis, Ltd.
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