CambrianW
Cambrian
OrdovicianW
Ordovician
SilurianW
Silurian
DevonianW
Devonian
CarboniferousW
Carboniferous
PermianW
Permian
BalticaW
Baltica
HolopeidaeW
Holopeidae
Paleo-Tethys OceanW
Paleo-Tethys Ocean
Yukon–Tanana TerraneW
Yukon–Tanana Terrane