Kretase
Juraseg
Triaseg
Devonian
Kambrian
Karbonifer
Ordovisian
Silurian
Permian
Paleogenel
Neogenel
Ediakareg
Kriogenieg
Stenieg
Rhyaseg
Siderieg
Statherieg
Kalymnieg
Ektasieg
Tonieg
Orosirieg
Darriwilian
Hirnantian