It is called the bovidae family, and the biggest and most important member is Thunderfoot the Bison, commonly called Buffalo.
"The-Burgess-Animal-Book-for-Children"
Burgess, Thornton W. (Thornton Waldo)
Again, all the great groups of the Ruminants, the bovidae, Antilopidae, Camelopardalidae, and Cervidae, are represented in the Miocene epoch, and so are the Camels.
"Critiques and Addresses"
Thomas Henry Huxley
A very eminent authority, however, Professor Flower, is in favour of placing the musk-deer with the Cervidae, and he instances the absence of horns as in favour of this opinion, for in none of the bovidae are the males hornless.
"Natural History of the Mammalia of India and Ceylon"
Robert A. Sterndale