The order of Mammals comprising the Hoofed Quadrupeds.
"The Ancient Life History of the Earth" by Henry Alleyne Nicholson
In all the hoofed mammals of this period the zygapophyses are flat.
"Darwin, and After Darwin (Vol. 1 and 3, of 3)" by George John Romanes
EQ'UIDAE, the horse family, a division of the odd-toed (perissodactyle) Ungulates or hoofed mammals.
"The New Gresham Encyclopedia" by Various
The hoofed mammals of the Tertiary included many offshoots from the main lines which we have traced.
"The Elements of Geology" by William Harmon Norton
Hoofed animals are in many respects among the most important and the most interesting Mammals.
"The History of Creation, Vol. II (of 2)" by Ernst Haeckel