Dolphin , Sausa chinensis, is larger, has longer beak and larger dorsal fin. [3] The several common names for Orcaella brevirostris ( Latin ) include: English : Irrawaddy dolphin , Local Chilika dialect: Baslnyya Magar or Bhuasuni Magar (oil yielding dolphin), Oriya : Khem and Khera [3] , French : Orcelle