When did Last Glacial Maximum happen ?
Eurasia – North America " ( ~ 55 mya — end of last glacial maximum ) Eurasia – America ( North and South ) " ( ~ 15 mya — end of last glacial maximum ) Afro–Eurasia – America " ( ~ 5 mya — end of last glacial maximum ) " – fossil evidence indicates intermittent existence from ~ 55 mya , now dependent on sea level .