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{{Taxobox
| name = Common Backswimmer
| image = 
| image_alt = 
| image_caption = 
| regnum = [[Animal]]ia
| phylum = [[Arthropoda]]
| classis = [[Insecta]]
| ordo = [[Hemiptera]]
| infraordo = [[Pentatomomorpha]]
| super family = [[Delphinidae]]
| genus = '''''Orcinus'''''
| species = '''''O. orca'''''
| binomial = ''Orcinus orca''
| binomial_authority = [[Carolus Linnaeus|Linnaeus]], 1758
| synonyms = ''Orca gladiator''
| range_map = Killer Whale Range Map.svg
| range_map_alt = A world map shows killer whales are found throughout every ocean...
| range_map_caption = ''Orcinus orca'' range (in blue)}}