Lamniformes include at least one deepwater shark.
The Lamniformes ( from the Greek word , Lamna `` fish of prey '' ) are an order of sharks commonly known as mackerel sharks ( which may also refer specifically to the family Lamnidae ) . It includes some of the most familiar species of sharks , such as the great white shark , as well as more unusual representatives , such as the goblin shark and the megamouth shark .