Scaphokogia

Scaphokogia is an extinct genus of pygmy sperm whales that lived off the coasts of Mexico and Peru, South America during the Late Miocene to Late Pliocene. Only the type species "S. cochlearis" has been described. Fossils of "Scaphokogia" have been found in the Tirabuzon Formation of Baja California and the Pisco Formation of Peru. Scaphokogia existed about 5 million years ago, and were relatively rare animals. Scaphokogia were one of the rarest group of living whales. 