ZFMK Collection Specimen ZFMK-COL-105698 1937-5-14 1937-5-14 50.731986 6.954941 Dytiscidae Coleoptera Acilius (Acilius) canaliculatus (Nicolai, 1822) specimen rdf document for ZFMK Collection Specimen ZFMK-COL-105698