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By: Engel, Michael S. - Ortega-Blanco, JaimeType: ArticleIn: ZooKeysVolume: 4Series:Issue:Date: 2008Page Range: 55-64Publication Info: Pensoft Publishers 2008Subjects: Amber Electrostephaninae Electrostephanus Eocene Hymenoptera neotype Stephanidae Stephanoidea Stephanomorpha taxonomy Tertiary