Period Neogene Period

Time runs left (older) → right (younger) · Hover a card for details

Great apes; grasslands; ice ages intensify (23-2.6 Ma).

23.03 Ma – 2.58 Ma · 20.45 Ma duration

Axis labels in Ma (millions of years ago) · Click a card for details

Neogene Period 2

6 Ma – 4 Ma First Hominids Apes walk upright Early hominins appear in Africa; bipedal locomotion evolves.
3 Ma – 2.8 Ma Panama Land Bridge Closes Atlantic and Pacific separate Central American seaway closes; alters ocean circulation and intensifies glaciation.

100%

Density