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By: Majka, ChristopherType: ArticleIn: ZooKeysVolume: 2Series:Issue:Date: 2008Page Range: 239-260Publication Info: Pensoft Publishers 2008Subjects: Aquatic invertebrates Biodiversity Canada Coleoptera Dryopidae Dytiscidae Elmidae Gyrinidae Haliplidae Heteroceridae Hydrophilidae Nomenclature Prince Edward Island
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By: Fernández, Liliana A. - Cabrera, NoraType: ArticleIn: Revista de la Sociedad Entomológica ArgentinaVolume:Series:Issue:Date: 2004-07-01Page Range:Publication Info:Subjects: Catálogo Dryopidae Elmidae Limnichidae Museo de La Plata Psephenidae Tipos entomológicos
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By: Webster, Reginald P. - DeMerchant, IanType: ArticleIn: ZooKeysVolume: 179Series:Issue:Date: 2012Page Range: 67-75Publication Info: Pensoft Publishers 2012Subjects: Canada Dryopidae Elmidae Maritime Provinces New Brunswick new records Psephenidae Ptilodactylidae