Hyracotherium (oo sidoo kale loo yaqaan Eohippus) waa cirifka cirifka ah ee naasleyda yaryar, geed-geedeedka kuwaas oo noolaa xilligii Eocene, qiyaastii 50 milyan oo sano ka hor. Waxaa loo arkaa inuu yahay awoowihii ugu horreeyay ee loo yaqaan faraska casriga ah. Magaca Hyracotherium macnihiisu waxa weeye "bahal bahal ah" oo Giriig ah, oo ka tarjumaysa cabbirkiisa yar iyo caadooyinka duugista.