Equus (genus) 54 million years ago (Mya). These animals had three toes on the hind feet and four on the front feet with small hooves in place of claws, but also had soft pads.<ref name="doi10.1126/science.1105458"></ref> Equids developed into larger, three-toed animals (e.g. "Mesohippus") during the Oligocene and Miocene. From there, the side toes became progressively smaller through the Pleistocene until the emergence of the single-toed "Equus". The genus "Equus", which includes all extant equines, is believed to have evolved from "Dinohippus", via the intermediate form "Plesippus". One of the oldest species is "Equus simplicidens", described as zebra-like with a donkey-like head shape.
Equus (comics) not being paid by him. Nox reminds him that Equus is there to aid him, but Equus brushes Nox aside, and attacks Superman. Superman is less forgiving in this rematch, using his X-ray and microscopic visions to learn much about Equus' enhancements, and physically disabling much of their exterior components. Equus escapes by activating the weapon, causing not only himself to vanish, but another 300,000 other people from across the planet. Superman subsequently learns that Equus has been working for a mysterious mustached man named Mr. Orr, who explains to Superman that Orr's employer's financed Nox's war, and loaned Equus