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Informacion sobre los delfines en ingles ?

Informacion sobre los delfines en ingles .

En resumen

Ésta es mi respuesta : Dolphinsare a widely distributed and diverse group ofaquatic mammals. They are an informal grouping within the orderCetacea, excludingwhalesandporpoises, so to zoologists the grouping isparaphyletic.

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Anadbabyray
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Ésta es mi respuesta :

Dolphinsare a widely distributed and diverse group ofaquatic mammals.

They are an informal grouping within the orderCetacea, excludingwhalesandporpoises, so to zoologists the grouping isparaphyletic.

The dolphins comprise the extant familiesDelphinidae(the oceanic dolphins), Platanistidae(the Indianriver dolphins), Iniidae(the new world river dolphins), andPontoporiidae(thebrackishdolphins), and the extinctLipotidae(baiji or Chinese river dolphin).

There are 40 extant species of dolphins.

Dolphins, alongside othercetaceans, belong to the cladeCetartiodactylawitheven - toed ungulates.

Cetaceans' closest living relatives are thehippopotamuses, having diverged about 40 million years ago.

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