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  1. The morphology, karyology and taxonomy of a new freshwater planarian of the genus Phagocata from California : (Platyhelminthes: Turbellaria) /
    By: Ball, Ian R. - Gourbault, N. - Royal Ontario Museum.
    Publication info: Toronto :Royal Ontario Museum,1975.
    Contributed by: ROM - University of Toronto (archive.org)
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  2. The planarians (Turbellaria) of temporary waters in eastern North America /
    By: Ball, Ian R. - Gourbault, N. - Kenk, Roman. - Royal Ontario Museum.
    Publication info: Toronto :Royal Ontario Museum,1981.
    Contributed by: ROM - University of Toronto (archive.org)
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