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) to them. Eventually, Superman tracks all the victims of the Vanishing to Metropia, an artificial paradise within the Phantom Zone, where he again encountered Equus, who has allied himself with General Zod, who is on a campaign to destroy Metropia. Equus, whose chestplate bears the Roman numeral "III", was the third version of a program to create super-soldiers. Equus, or "Vee Three" as he was designated, is said to be psychotic, due to the enlargement of the amygdalae to which the OMAC candidates were subjected. Equus III later appears in "Titans/Outsiders Secret Files 2005", stored alongside the Wildebeest, who had