What is "mastodons"

Usage examples of "mastodons".

For in the mere act of penning my thoughts of this Leviathan, they weary me, and make me faint with their outreaching comprehensiveness of sweep, as if to include the whole circle of the sciences, and all the generations of whales, and men, and mastodons, past, present, and to come, with all the revolving panoramas of empire on earth, and throughout the whole universe, not excluding its suburbs.

Americas the mastodons survived until the arrival of the Indians, who became great mastodon hunters.