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  1. Echinoderma (part II) and Enteropneusta : larvae of Echinoderma and Enteropneusta.
    By: MacBride, E. W. - British Antarctic ("Terra Nova") Expedition
    Publication info: [S.l.s.n.],1920.
    Contributed by: Smithsonian Libraries
    Subjects: Echinodermata  Enteropneusta  
    BHL Collections: Smithsonian Libraries
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  2. Enteropneusta from the South Pacific, with notes on the West Indian species.
    By: Willey, Arthur,
    Publication info: Cambridge, Eng.,University Press,1900?
    Contributed by: Smithsonian Libraries
    Subjects: Enteropneusta  Hemichordata  
    BHL Collections: Smithsonian Libraries
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  3. Die Enteropneusten des Golfes von Neapel und der angrenzenden Meeres-Abschnitte / von Dr. J.W. Spengel. Herausgegeben von der Zoologischen Station zu Neapel.
    By: Spengel, Johann Wilhelm,
    Publication info: Berlin :Verlag von R. Friedländer & Sohn,1893.
    Contributed by: Smithsonian Libraries
    Subjects: Enteropneusta  Hemichordata  Naples, Bay of (Italy)  Protochordates  
    BHL Collections: Smithsonian Libraries
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