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  1. Redescription of type specimens of bryozoan Stigmatella from the Upper Ordovician of the Toronto region, Ontario /
    By: Fritz, Madeleine A. - Royal Ontario Museum.
    Publication info: [Toronto] :Royal Ontario Museum,1973.
    Contributed by: ROM - University of Toronto (archive.org)
    Subjects: Ontario  Ordovician  Paleontology  Stigmatella  Toronto Region  
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