What is "lagenorhyncus leucopleurus"

Bottle-nose \Bot"tle-nose`\ Bottle-nosed dolphin \Bot"tle-nosed` dolphin\, n. (Zo["o]l.)

1. A grey cetacean of the Dolphin family, of several species, as Delphinus Tursio and Lagenorhyncus leucopleurus, of Europe.

   Note: Also Tursiops truncatus -- a synonym?

   Syn: bottlenose dolphin.

2. The puffin.

3. a north Atlantic beaked whale with a bulbous forehead.

   Syn: bottle-nosed whale, bottlenose whale, Hyperoodon ampullatus.