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 Ziphiidae Gray, 1850 - beaked whales
         Genus Tasmacetus Oliver, 1937 - Shepherd's beaked whale
           1 Tasmacetus shepherdi Oliver, 1937 - Shepherd's beaked whale