FrancophonIA/Vikidia-EnFr huggingface dataset:
Mysticeti
Odontoceti
†Archaeoceti

The order Cetacea are marine mammals that live in oceans, seas, and even a few rivers around the world. Whales, dolphins, and porpoises are part of this group. These common name refer to size: whales are the largest, porpoises the smallest. How and what they eat is a better guide to their relationships. The study of cetaceans is called cetology.