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  1. By: Barr, Cheryl B - Shepard, William
    Type: Article
    In: ZooKeys
    Volume: 1073
    Date: 2021
    Page Range: 55--117
    Publication Info: Pensoft Publishers 2021
    Subjects: Aquatic beetles  Hydora  new taxa  Ovolara  Potamophilinus  riffle beetles  Stetholus  taxonomy