One of these last belongs to the new genus Hyracotherium of Owen, of the hog tribe, allied to Chaeropotamus, another is a Lophiodon; a third a pachyderm called Coryphodon eocaenus by Owen, larger than any existing tapir.
"The Student's Elements of Geology"
Sir Charles Lyell
Among the scanty mammals of the Lower Eocene formation we have the perissodactyle Ungulata represented by Coryphodon, Hyra-cotherium, and Pliolophus.
"Critiques and Addresses"
Thomas Henry Huxley
Coryphodon, sometimes as large as an ox, is a typical representative.
"The Story of Evolution"
Joseph McCabe