Genus Lissodelphis or Tursio
Lissodelphis: The Right Whale Dolphin. All oceans.
Genus Grampus
G. griseus: Risso’s Dolphin. North Atlantic, Mediterranean, New Zealand, and Cape of Good Hope; 12 to 13 feet.
Genus Cephalorhynchus
These are the Southern, mostly cold-water dolphins.
C. heavisidei: Heaviside’s Dolphin. Cape of Good Hope; about 4 feet.
C. hectori: Hector’s Dolphin. New Zealand; about 6 feet.
C. albiventris: White-Bellied Dolphin. A very rare form, found off the coast of South America; about 4 feet 6 inches.
C. commersonii: Commerson’s Dolphin; also known as the Piebald Porpoise or Le Jacobite. Southern oceans; up to 5¼ feet.