Macrodelphinus
Encyclopedia
Macrodelphinus kelloggi was an orca
-sized relative of the cetacean Eurhinodelphis
. It lived off the coast of what is now California
during the early Miocene
. Because of its size, and inch-long teeth, it is believed to have been an apex predator. Macrodelphinus is known from a fragmentary skull from southern California.
Orca
The killer whale , commonly referred to as the orca, and less commonly as the blackfish, is a toothed whale belonging to the oceanic dolphin family. Killer whales are found in all oceans, from the frigid Arctic and Antarctic regions to tropical seas...
-sized relative of the cetacean Eurhinodelphis
Eurhinodelphis
Eurhinodelphis is an extinct genus of Miocene cetacean. Its fossils have been found in France, Belgium, Maryland and California.-Description:...
. It lived off the coast of what is now California
California
California is a state located on the West Coast of the United States. It is by far the most populous U.S. state, and the third-largest by land area...
during the early Miocene
Miocene
The Miocene is a geological epoch of the Neogene Period and extends from about . The Miocene was named by Sir Charles Lyell. Its name comes from the Greek words and and means "less recent" because it has 18% fewer modern sea invertebrates than the Pliocene. The Miocene follows the Oligocene...
. Because of its size, and inch-long teeth, it is believed to have been an apex predator. Macrodelphinus is known from a fragmentary skull from southern California.