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The following is a list of currently existing (or, in the jargon of taxonomy) 'extant' species of the infraorder cetacea (for extinct cetacean species, see the list of extinct cetaceans). The list is organized taxonomically into parvorders, superfamilies when applicable, families, subfamilies when applicable, genus, and then species.
Species of the infraorder Cetacea A phylogenetic tree showing the relationships among cetacean families. [1]The evolution of cetaceans is thought to have begun in the Indian subcontinent from even-toed ungulates (Artiodactyla) 50 million years ago (mya) and to have proceeded over a period of at least 15 million years. [2]
Cetacea (/ s ɪ ˈ t eɪ ʃ É™ /; from Latin cetus 'whale', from Ancient Greek κῆτος 'huge fish, sea monster') [3] is an infraorder of aquatic mammals belonging to the order Artiodactyla that includes whales, dolphins and porpoises.
Cetacea (/ s ɪ ˈ t eɪ ʃ É™ /; from Latin cetus 'whale', from Ancient Greek κῆτος 'huge fish, sea monster') is an infraorder of aquatic mammals belonging to the order Artiodactyla that includes whales, dolphins and porpoises.
Whales do not form a clade or order; the infraorder Cetacea includes dolphins and porpoises, which are not considered whales in the informal sense. [citation needed] The phylogenetic tree shows the relationships of whales and other mammals, with whale groups [citation needed] marked in green.
This category contains articles about Cetacea, including whales, dolphins and porpoises. Subcategories. This category has the following 21 subcategories, out of 21 ...
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