Turner, V.L.G.
Mammalaction News 94 5-6 (2001)
What are killer whales? Whales are dolphins belong to the order Cetacea. There are two sub-orders of whales: Mysticeti (baleen whales, such as the blue whale) and the Odontoceti (the toothed whales, including, for example, the beluga whale). The killer whale, or ‘orca’ (Orcinus orca), belongs to the family: Delphinidae which includes the commonly recognised bottlenose dolphin.
