Linked from
The 9 pages that link to Baltica, each with the reason it gives.
LaurasiaBroader topic: Its crust became part of Laurasia and later the European landmass.
Iapetus OceanRelated: Baltica lay across the ocean from Laurentia before their collision.
Caledonian orogenyRelated: Its collision with Laurentia produced major deformation in Scandinavia.
AvaloniaRelated: It was a separate continental neighbor that later collided with Avalonia.
Fennoscandian ShieldRelated: The shield preserves the Precambrian core of the continent Baltica.
LaurussiaRelated: Baltica collided with Laurentia to create Laurussia.