Statherian

The Statherian is the last geological period in the Palaeoproterozoic. It began 1.8 billion years ago and ended at 1.6 billion years ago.

The period is marked by new land. The supercontinent Columbia formed at the beginning of this period.

Precambrian (4.6 gya – 541 mya)
In the left column are Eons, bold are Eras, not bold are Periods. gya = billion years ago, mya = million years ago
Hadean (4.6 gya – 4 gya)	Cryptic (4.6 - 4.533 gya) Basin Groups (4.533 - 4.28 gya) Nacterian (4.28 - 4.08 gya) Early Imbrian (4.08 - 4 gya)
Archaean (4 gya – 2.5 gya)	Eoarchaean (4 gya – 3.6 gya) Palaeoarchaean (3.6 gya – 3.2 gya) Mesoarchaean (3.2 gya – 2.8 gya) Neoarchaean (2.8 gya – 2.5 gya)
Proterozoic (2.5 gya – 541 mya)	Palaeoproterozoic (2.5 gya – 1.6 gya) Siderian (2.5 gya – 2.3 gya) Rhyacian (2.3 gya – 2.05 gya) Orosirian (2.05 gya – 1.8 gya) Statherian (1.8 gya – 1.6 gya) Mesoproterozoic (1.6 gya – 1 gya) Calymmian (1.6 gya – 1.4 gya) Ectasian (1.4 gya – 1.2 gya) Stenian (1.2 gya – 1 gya) Neoproterozoic (1 gya - 541 mya) Tonian (1 gya – 720 mya) Cryogenian (720 mya – 635 mya) Ediacaran (635 mya – 541 mya)

Phanerozoic (541 mya – today)
In the left column are Eras, bold are Periods, not bold or italics are Epochs, Italics are stages. kya = thousand years ago, mya = million years ago
Palaeozoic (541 mya – 252.17 mya)	Cambrian (541 mya – 485.4 mya) Ordovician (485.4 mya – 443.4 mya) Silurian (443.4 mya – 419.2 mya) Devonian (419.2 mya – 358.9 mya) Carboniferous (358.9 mya – 298.9 mya) Mississippian (358.9 mya – 323.2 mya) Pennsylvanian (323.2 mya – 298.9 mya) Permian (298.9 mya – 252.17 mya)
Mesozoic (252.17 mya – 66.0 mya)	Triassic (252.17 mya – 201.3 mya) Lower Triassic (252.17 mya – 247.2 mya) Middle Triassic (247.2 mya – 237 mya) Upper Triassic (237 mya – 201.3 mya) Jurassic (201.3 mya – 145 mya) Lower Jurassic (201.3 mya – 174.1 mya) Middle Jurassic (174.1 mya – 163.5 mya) Upper Jurassic (163.5 mya – 145 mya) Kimmeridgian (157.3–152.1 mya) Cretaceous (145 mya – 66.0 mya) Lower Cretaceous (145 mya – 100.5 mya) Upper Cretaceous (100.5 mya – 66.0 mya)
Cainozoic (66.0 mya – today) Tertiary (66.0 mya – 1.806 mya)	Palaeogene (66.0 mya – 23.03 mya) Palaeocene (66.0 mya – 56 mya) Eocene (56 mya - 33.9 mya) Oligocene (33.9 mya – 23.03 mya) Neogene (23.03 mya – 2.588 mya) Miocene (23.03 mya – 5.333 mya) Pliocene (5.333 mya – 2.588 mya) Quaternary (2.588 mya – today) Pleistocene (2.588 mya – 11.7 kya) Holocene (11.7 kya - today)

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