California River Dolphin

California river dolphin (Paratinia Californicus) is a species of toothed whale classified in the family Iniidae. Four subspecies are currently recognized: P. C. Moulvarius (Yuba Sutter river dolphin), P. C. Tynornii (Sierra Nevada river dolphin), P.C. Humbolticii (Pacific river dolphin), and P. C. Malnourin (Angeles river dolphin).