Kwanzacetus khoisani

Kwanzacetus khoisani is an extinct river dolphin of the family Iniidae, the only species so far placed in the genus Kwanzacetus. It inhabited the waters off what is now Angola during the Miocene epoch, which makes it one of the few records of this family from Africa, since the living iniids are found only in the river basins of South America. The Paleobiology Database credits the species name to Lambert and colleagues in 2018 and dates it to between the Tortonian and Messinian ages, roughly 11.6 million to 5.3 million years ago, based on a single fossil occurrence.