Complex sentence: Perissodactyls, otherwise known as odd-toed ungulates, compose an order of mammals characterized by an odd number of toes and being hindgut fermenters with somewhat simple stomachs.
Split into simpler sentences: Perissodactyls, otherwise known as odd-toed ungulates, compose an order of mammals. They are characterized by an odd number of toes and being hindgut fermenters with somewhat simple stomachs.