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While they resemble pigs physiologically, their closest living relatives are the cetaceans. They are sometimes referred to as hippopotamids . There are two living species of hippopotamid in two genera; the pygmy hippo, Choeropsis liberiensis of the forests of west Africa, and the common hippo, Hippopotamus amphibius .
Comparison of even-toed ungulate and cetaceans genetic material has shown that the closest living relatives of whales and hippopotamuses is the paraphyletic group Artiodactyla. [7] [8] Dan Graur and Desmond Higgins were among the first to come to this conclusion, and included a paper published in 1994. [9]
The hippopotamus (Hippopotamus amphibius) (/ ˌ h ɪ p ə ˈ p ɒ t ə m ə s /; pl.: hippopotamuses; often shortened to hippo (pl.: hippos), further qualified as the common hippopotamus, Nile hippopotamus and river hippopotamus, is a large semiaquatic mammal native to sub-Saharan Africa.
The name Whippomorpha is a combination of English (wh[ale] + hippo[potamus]) and Greek (μορφή, morphē = form). [2]Some attempts have been made to rename the suborder Cetancodonta, due to the misleading utilization of the suffix -morpha for a crown group, [6] as well as the risk of confusion with the clade Hippomorpha (which consists of equid perissodactyls); [7] however Whippomorpha ...
In this 1953 photograph, Mathilda the hippo, safely immered in her new home, stares up at Gayla Peevey, the little girl whose fast-selling Christmas song "I Want a Hippopotamus for Christmas ...
Most molecular biological evidence suggests that hippos are the closest living relatives. Common anatomical features include similarities in the morphology of the posterior molars, and the bony ring on the temporal bone (bulla) and the involucre, a skull feature that was previously associated only with cetaceans. [73]
This unusual little creature is said to be the elephant's closest living relative. Brooke Kavit. Updated July 14, 2016 at 7:54 PM. Baby Rock Hyraxes: Tiny, Furry and Related to Elephants!
Scientists have uncovered a curious behavior in humans’ closest living relatives. While every aminal needs to relieve itself, new research shows that chimpanzees, who share 98 percent of their ...