pseudorca

from The Century Dictionary.

• noun A genus of cetaceans, established for the reception of the Phocæna crassidens of Owen, discovered subfossil in England, and afterward found living, related to Orca, but having only about 40 teeth and 50 vertebræ, the cervicals mostly ankylosed, the lumbars half as long again as they are broad. The animal is black, and attains a length of 14 feet.