Superregnum: Eukaryota
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Cladus: Protostomia
Cladus: Ecdysozoa
Cladus: Panarthropoda
Phylum: Arthropoda
Subphylum: Hexapoda
Classis: Insecta
Cladus: Dicondylia
Subclassis: Pterygota
Ordo: Coleoptera
Subordo: Adephaga
Familia: Dytiscidae
Subfamilia: Copelatinae
Genus: Liopterus
Species: Liopterus haemorrhoidalis
Synonyms
Copelatus agilis (F., 1792)
Copelatus ruficollis (Schaller, 1783)
Dytiscus oblongus Illiger, 1801
Dytiscus ruficollis Schaller, 1783
Liopterus agilis (Fabricius, 1792)
Liopterus oblongus (Illiger, 1801)
Liopterus schalleri (Gmelin, 1790)
Basionym
Dytiscus haemorrhoidalis Fabricius, 1787
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