Horses : the story of the horse family in the modern world and through sixty million years of history /
Simpson, George Gaylord, 1902-
Horses : the story of the horse family in the modern world and through sixty million years of history / George Gaylord Simpson. - New York : Oxford University Press, 1951. - xxiv, 247 p. : ill. ; 24 cm.
p. 232-236.
Horses--History.
Horses, Fossil.
Mammals--Evolution.
Horses : the story of the horse family in the modern world and through sixty million years of history / George Gaylord Simpson. - New York : Oxford University Press, 1951. - xxiv, 247 p. : ill. ; 24 cm.
p. 232-236.
Horses--History.
Horses, Fossil.
Mammals--Evolution.