odontoceti
/oʊˌdɑntəˈsiːtaɪ/
noun
- A group of whales that have teeth, including dolphins, porpoises, and killer whales.
- Dolphins belong to the group Odontoceti.
- The Odontoceti have more complex social structures than baleen whales.
- Odontoceti use echolocation to find their prey.