Odontoceti

• Delphinidae
• Monodontidae
• Phocoenidae
• Physeteridae
• Platanistidae
• Ziphiidae

• Beaked Whales@
• Belugas and Narwhals@
• Dolphins, Killer Whales, and Pilot Whales@
• Porpoises@
• River Dolphins@
• Sperm Whales@

• Odontoceti (Toothed Whales)  - Tree of Life Web Project explains classification, characteristics, phylogenetic relationships, and extinct groups.
• Suborder Odontoceti (Toothed Whales)  - Animal Diversity looks at various images, taxonomy tree, and links to individual families. From Museum of Zoology at the University of Michigan.