Hippopotamidae
| Hippopotamidae Temporal range: 16–0Ma Early Miocene-Holocene |
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| Common hippopotamus | |
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| Pygmy hippopotamus | |
Scienteefic clessification  |
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| Kinrick: | Animalia |
| Phylum: | Chordata |
| Cless: | Mammalia |
| Order: | Artiodactyla |
| Suborder: | Whippomorpha |
| Faimily: | Hippopotamidae Gray, 1821 |
| Subtaxa | |
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†Trilobophorous Geze, 1985 Hippopotaminae Gray, 1821 †Kenyapotaminae Pickford, 1983 |
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Hippopotamuses are stout, nakit-skinned, an amphibious artiodactyl members (an the anly livin members) o the faimily Hippopotamidae possessin three-chambered painchs an walkin on fower toes on each fit. While thay resemble pigs pheesiologically an are pseudoruminants lik camels, thair closest livin relatives are actually the cetaceans (whales an dolphins).
Thare are twa livin species o hippopotamus in twa genera; the pygmy hippo, Choeropsis liberiensis o the forests o wast Africae, an the common hippo, Hippopotamus amphibius.
