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Monograph of the Palaeontographical Society v.74=[no.349-351] (1920-1922)

Parts

  1. By: Spencer, William Kingdon.
    Type: Article
    In: Monograph of the Palaeontographical Society
    Volume: v.74(1920)
    Issue: 349
    Date: 1920
    Page Range: p.197-236, pl.xiv-xvii
    Publication info: London, Printed for the Palaeontographical Society, [1847?-