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) foot long (with those corresponding to his thumbs considerably smaller), and while their composition is unknown, they are capable, given the physical strength Equus is capable of exerting with them, of piercing Superman's skin. Equus, the third version of the One Man Army Corps project, along with his predecessor, the second version, had their amygdalae enlarged as part of their genetic modifications, though this was scaled back for the subsequent versions, according to Mr. Orr, because this made the subjects psychotic. Specimens from the project that produced Equus were also said to have the wingbones of a fallen angel within