Geologic Timescale

=Geologic Timescale=

Hydronian Period (Week 0)
4,000 Million Years Long

Huggian Period (Week 1)
100 Million Years Long

Ovian Period (Week 2)
100 Million Years Long

Krakowian Period (Week 3)
50 Million Years Long

Yoktonian Period (Week 4)
50 Million Years Long

Rhodixian Period (Week 5)
50 Million Years Long

Flischian Period (Week 6)
25 Million Years Long

Irinyan Period (Week 7)
25 Million Years Long

Ladymian Period (Week 8)
12.5 Million Years Long

Russian Period (Week 9)
12.5 Million Years Long

Nukean Period (Week 10)
12.5 Million Years Long

Biocatian Period (Week 11)
12.5 Million Years Long

Ferretian Period (Week 12)
12.5 Million Years Long