Family KOGIIDAE (PYGMY AND DWARF SPERM WHALES)
• Medium-sized toothed whales with underslung lower jaws, blunt squarish heads, robust bodies tapering abruptlyto tail flukes, and spermaceti organs; suctionfeeding, cephalopodspecialists.
• 200-420 cm.
• Cosmopolitan in temperate and tropical seas.
• Shoreward and seaward ofcontinental shelves in waters of 400-3500 m or more.
• 1 genus, 2 species, 2 taxa.
• No species threatened; none Extinct since 1600.