These include creatures like bison, caribou, woolly mammoths, mastodons, and rhinoceros. Saber-toothed cats, woolly mammoths, mastodons, and dire wolves roamed the land. These were home to creatures like mammoths, mastodons and giant ground sloths. Petroglyphs in the Colorado Plateau depict either Columbian mammoths or mastodons. Many forms such as saber-toothed cats, mammoths, mastodons, glyptodonts, etc., became extinct worldwide. Mammoths, mastodons and gomphotheres all formerly lived in Mexico. Michigan was home to large mammals like mammoths and mastodons at that time. Their usual prey animals were called megafauna, such as giant armadillos and sloths, mastodons, etc. Mastodons, Musk Ox and Caribou roamed the area. On land Nevada was home to a variety of mammals including both mastodons and rhinoceroses. Animal remains include terrestrial gastropods and mastodons. They are believed to be the ancestors of elephants or mastodons. Divided into small groups, the Paleo-Indians were nomads who hunted large game such as mastodons. Elephantidae is the only surviving family of the order Proboscidea; extinct members include the mastodons. The sediments they deposited preserved mastodons and molluscs at Cape Cod.