Original sentence: Aclistomycter is an extinct genus of terrestrial herbivore of the family Merycoidodontidae, (oreodont) endemic to North America during the Middle Eocene subepoch (42—39.9 mya) existing for approximately.Aclistomycter was a cud-chewing plant-eater with a short face, tusk-like canine teeth, heavy body, long tail, short feet, and four-toed hooves
Edited sentence: Aclistomycter is an extinct genus of oreodont during the early Chadronian subepoch (42—39.9 mya) existing for approximately.Aclistomycter was a very small herbivorous artiodactyl with a short face, small, but tusk-like canine teeth, heavy body, and long tail, short feet