Cetacea - Wikipedia
WEBCetacea ( / sɪˈteɪʃə /; from Latin cetus ' whale ', from Ancient Greek κῆτος ( kêtos) ' huge fish, sea monster ') [3] is an infraorder of aquatic mammals belonging to the order Artiodactyla that includes whales, dolphins, and porpoises.
List of cetaceans - Wikipedia
WEBCetacea is an infraorder that comprises the 94 species of whales, dolphins, and porpoises. It is divided into toothed whales (Odontoceti) and baleen whales (Mysticeti), which diverged from each other in the Eocene some 50 million years ago (mya).
Evolution of cetaceans - Wikipedia
WEBCetaceans are fully aquatic marine mammals belonging to the order Artiodactyla and branched off from other artiodactyls around 50 mya. Cetaceans are thought to have evolved during the Eocene (56-34 mya), the second epoch of …
Cetacean | Life Span, Evolution, & Characteristics | Britannica
WEBApr 11, 2024 · cetacean, (order Cetacea), any member of an entirely aquatic group of mammals commonly known as whales, dolphins, and porpoises. The ancient Greeks recognized that cetaceans breathe air, give birth to live young, produce milk, and have hair —all features of mammals.
Cetaceans Facts, Complete Guide To Whales, Dolphins & Porpoises
WEBAug 2, 2023 · Cetaceans are fully aquatic creatures, ranging from relatively small, river-dwelling dolphins to the massive blue whale, which is the largest animal to have ever lived. They are found in oceans, seas, and even some rivers throughout the world.
Cetacean - Marine Mammals, Aquatic Adaptations, Conservation
WEBCetacean - Marine Mammals, Aquatic Adaptations, Conservation: Cetaceans are carnivorous aquatic mammals distributed in all oceans and some river systems. All are social to some extent, and many exhibit epimeletic behavior.
Cetaceans | The Marine Mammal Center
WEBCetaceans. Whales, Dolphins and Porpoises. Learn More About Cetaceans. Marine mammals in the cetacean family include whales, dolphins and porpoises. These animals are completely aquatic, meaning they spend all of their time in …
Cetacean - Marine Mammals, Evolution, Classification | Britannica
WEBCetacean - Marine Mammals, Evolution, Classification: Cetaceans are distant descendants of a group of poorly defined mammals known as condylarths. The first fossil cetacean, Pakicetus, is from the Early Eocene Epoch.
What is a cetacean? - Whale & Dolphin Conservation USA
WEBCetacean is the collective noun used to describe all 90 species of whales, dolphins and porpoises. The word cetacean has its origins in Latin (Cetus) referring to a large sea creature and Greek (Ketos) meaning whale or sea monster.
ADW: Cetacea: INFORMATION
WEBGeographic Range. Cetaceans inhabit all of the world's oceans, as well as some freshwater lakes and rivers in South America, North America, and Asia. Some species, such as killer whales ( Orcinus orca) are found in all of the world's oceans.
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