Cetacea

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Cetaceans
Temporal range: Early Eocene – Present
humpback whale breaching
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Infraclass: Eutheria
Superorder: Laurasiatheria
Order: Cetacea
Brisson, 1762
Suborders

Mysticeti
Odontoceti
Archaeoceti

Some Cetacea: 1- Bowhead Whale; 2- Orca; 3- Right Whale; 4- Sperm Whale; 5- Narwhal; 6- Blue Whale; 7- Rorqual; 8- Beluga

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. The study of cetaceans is called cetology.

Taxonomy[change | change source]

Wikibooks
Wikibooks Dichotomous Key has more about this subject: