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.
Scipio Africanus has been discovered and is open to the public, but it is not believed that Scipio Africanus was interred there. The possibility exists that he was returned to Rome and laid to rest there in a still undiscovered crypt. Livy says in his "History of Rome" that statues of Scipio Africanus, Lucius Scipio and the Roman poet Ennius (a friend of the family) were present at the Tomb of the Scipios when he visited it. However, Seneca (Epistle 86.1), having moved into the villa at Liternum that used to belong to Scipio Africanus, tells us that he has done 'reverence