Complex sentence: The genus "Daeodon" was erected by the American anatomist and paleontologist Edward Drinker Cope in 1878, he classified it as a perissodactyl and thought it was closeley related to "Menodus".
Split into simpler sentences: The genus "Daeodon" was erected by the American anatomist and paleontologist Edward Drinker Cope in 1878. He classified it as a perissodactyl and thought that it was closely related to "Menodus".