Equus (genus)
Equus is a genus of mammals in the family Equidae, which includes horses, donkeys, and zebras. Within Equidae, "Equus" is the only recognized extant genus, comprising seven living species. The term equine refers to any member of this genus, including horses. Like Equidae more broadly, "Equus" has numerous extinct species known only from fossils. The genus most likely originated in North America and spread quickly to the Old World. Equines are odd-toed ungulates with slender legs, long heads, relatively long necks, manes (erect in most subspecies), and long tails. All species are herbivorous, and mostly grazers, with simpler digestive systems than ruminants, but able to subsist on lower-quality vegetation.
Enhydriodon dikikae
"Enhydriodon dikikae" belongs to the Carnivora order, Musteloidea superfamily, Mustelidae family and Lutrinae subfamily. The closest living relative to this species is the modern otter. Other related animals in the Musteloidea superfamily are from the family, Procyonidae to which animals like racoons, olingos and coatis belong to. There is some debate over whether "E. dikikae" should belong to the "Sivaonyx" genus however at this point, it is still classified as being in the "Enhydriodon" genus.