Linked from
The 13 pages that link to Iapetus Ocean, each with the reason it gives.
SilurianRelated: Its closure accompanied continental collisions during the Silurian.
Wilson cycleRelated: An ancient complete cycle read from rocks in Scotland and Appalachia.
LaurentiaRelated: Its opening marked rifting along Laurentia’s eastern margin.
North Atlantic OceanRelated: Its closure and the later breakup of Pangaea preceded the modern basin.
AvaloniaRelated: Avalonia crossed this ocean as it moved toward Laurentia and Baltica.
BalticaRelated: Its closure brought Baltica into collision with neighboring continents.
LaurussiaRelated: Its closure brought Laurentia and Baltica together.
Rheic OceanRelated: Its closure preceded the Rheic Ocean's closure and helped assemble Laurussia.