Key: Numbers are units of Millions of Years Ago, when the Creatures first appeared.

Timeline for Evolution of Humans from First Life.

3500 Cyanobacteria

530 Fish

370 Amphibians

320 Reptiles

160 Mammals

55 Monkeys

6 Hominina (intermediate species, like the first four shown here, are now extinct) 0.2 Homo Sapiens

Timeline added by KS, 2015