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 Press which deals with an alternative American colonial history. 2015 will see Equus Press publishing work by, among others, Holly Tavel, Richard Makin, and another book of translation (by Veronika Stankovianska and David Vichnar) from French, "H" by Philippe Sollers. Equus Press London- and Prague-based Equus Press (Écriture en Quête d’Usage), founded in 2011, focuses on publishing experimental Anglophone writers and is concerned primarily with English language writing from outside of normal English-speaking areas. Since it was established, Equus Press has published the works of such as authors Louis Armand, Thor Garcia, Ken Nash, and Damien Ober. In April 2013, Equus