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  1. Monographiae Ammoniteorum et Goniatiteorum specimen / auctore Guilielmo de Haan.
    By: Haan, W. de (Willem),
    Publication info: Lugduni Batavorum :H.W. Hazenberg,1825.
    Holding Institution: Harvard University, Museum of Comparative Zoology, Ernst Mayr Library
    Subjects: Ammonites  Ammonoidea  Goniatites  Goniatitidae  
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