Dolphin wiki:
>For other uses, see Dolphin (disambiguation). See article below. Dolphins are certain aquatic mammals related to whales and porpoises. The name is from Ancient Greek delphis meaning "with a womb", viz. "a 'fish' with a womb". The word is used in a few different ways. It can mean:Any member of the family Delphinidae (oceanic dolphins),Any member of the families Delphinidae and Platanistoidea (oceanic and river dolphins),Any member of the suborder Odontoceti (toothed whales; these include the above families and some others),Used casually as a synonym for Bottlenose Dolphin, the most common and familiar species of dolphin.
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