Genus Kogia
K. breviceps: The Pigmy or Lesser Sperm Whale. Atlantic, Pacific, Indian, and Antarctic oceans; about 10 feet.
Family Ziphiidae
Genus: Hyperoödon rostratus: The Bottle-Nose Whale. North Atlantic, Mediterranean, South Pacific, and Antarctic; 20 to 30 feet.
Genus: Mesoplodon: “The Cow Fish;” Atlantic, Pacific, and Indian oceans.
Genus: Ziphius: The Two-Toothed Whale. All oceans.
Genus: Tasmacetus: South Pacific.
Genus: Berardius: Pacific.