The Paleoproterozoic (; also Palaeoproterozoic) is the first of the three sub-divisions (eras) of the Proterozoic occurring (2.5–1.6 Ga). This is when the continents first stabilized.

The Paleoproterozoic (; also Palaeoproterozoic) is the first of the three sub-divisions (eras) of the Proterozoic occurring (2.5–1.6 Ga). This is when the continents first stabilized.