African wild ass descendant. Thus, if one species is recognized, the correct scientific name of the donkey is "E. africanus asinus". The first published name for the African wild ass, "Asinus africanus", Fitzinger, 1858, is a nomen nudum. The name "Equus taeniopus" von Heuglin, 1861 is rejected as indeterminable, as it is based on an animal that cannot be identified and may have been a hybrid between a domestic donkey and a Somali wild ass; the type has not been preserved. The first available name thus becomes "Asinus africanus" von Heuglin & Fitzinger, 1866. A lectotype is designated: a skull of an adult
Equus scotti Equus scotti Equus scotti (translated from Latin as Scott's horse, named after vertebrate paleontologist William Berryman Scott) is an extinct species of "Equus", the genus that includes the horse. "E. scotti" was native to North America and likely evolved from earlier, more zebra-like North American equids early in the Pleistocene Epoch. The species may have crossed from North America to Eurasia over the Bering land bridge during the Pleistocene. The species died out at the end of the last ice age in the large-scale Pleistocene extinction of megafauna. It was among the last of the native horse species in the