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Ang orden na Cetacea ay kinabibilangan ng mga mammal na pandagat na mga balyena, mga dolphin at mga porpoise.The order Cetacea are marine mammals that live in oceans, seas, and even a few rivers around the world.River dolphins are five species of dolphins which reside in freshwater rivers and estuaries.
This template is within the scope of WikiProject Cetaceans, a collaborative effort to improve the coverage of cetaceans on Wikipedia.Pages without an automatic taxobox, Articles with unsourced statements from April 2012, Lists of placental mammals.
The most obvious visible difference between the two groups is porpoises have spatulate (flattened) teeth distinct from the conical teeth of dolphins.The gray whale is the only benthic feeding baleen whale, filtering small organisms from the mud of shallow seas.
The Delphinidae are characterised by having distinct beaks (unlike the Phocoenidae), two or more fused cervical vertebrae and 20 or more pairs of teeth in their upper jaws.The baleen whales, also called whalebone whales or great whales, form the Mysticeti, one of two suborders of the Cetacea (whales, dolphins and porpoises).Hello fellow editors, I have just modified 1 external links on Cetacea.It has 88 living species, divided into the suborders Odontoceti (the toothed whales, including dolphins and porpoises) and Mysticeti (the baleen whales).The order Cetacea includes the whales, dolphins and porpoises and comprise the mammals most fully adapted to aquatic life.Cetacea - an order of Eutheria order Cetacea animal order - the order of animals Eutheria, subclass.This name can be confusing, however, since one of the species is the bowhead whale, which is different from the right whale.
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Ganges and Indus River dolphin ( P. gangetica ) Pontoporiidae.As the name implies, these dolphins tend to be found in the open seas, unlike the river dolphins, although a few species such as the Irrawaddy dolphin are coastal or riverine.They are classed in the Platanistoidea superfamily of cetaceans.
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When submerged animals are also taken into account, the true figure may be in excess of 25,000.Instead of catching their prey with teeth, it is sucked into their oral cavity.
The Iniidae family of river dolphins contains only one genus and one species.