Mammut americanium, Giant Mastodon tooth Argentinosaurus which were arranged in a

which were arranged in a fantastic "tooth-whorl" strongly reminiscent of a circular saw

Pelecanimimus

Coelacanth

Odonatans have small antennae

Mammut americanium, Giant Mastodon tooth Argentinosaurus which were arranged in aThis giant Mastodon tooth was cast from the largest tooth we have ever seen. The age is Pleistocene and the locality is unknown. It measures a staggering 9. 5 inches long, 7. 5 inches high with the roots and 4. 5 inches wide. Mastodons are any species of extinct proboscideans in the genus Mammut, distantly related to elephants that inhabited North and Central America during the late Miocene or late Pliocene up to their extinction at the end of the