Class [Mammalia] Linnaeus, 1758 - mammals
   Order Cetacea Brisson, 1762 - whales, dolphins, and porpoises see Infraorder Cetacea Brisson, 1762
     Suborder Odontoceti Flower, 1867 - toothed whales see Parvorder Odontoceti Flower, 1867
       Family Delphinidae Gray, 1821 - oceanic dolphins
         Genus Lagenorhynchus Gray, 1846 - short-beaked dolphins
           Lagenorhynchus acutus (Gray, 1828) - Atlantic white-sided dolphin