Title: Laurentia-Gondwana connections before Pangea
Subjects: Stratigraphic Geology, Geology, Paleozoic Geologic Period, Paläozoikum, Paléozoïque, Géologie, Laurentia (Geology), Gondwana (Geology)
Places: South America, Laurentia (Continent), Gondwana (Continent)
Time periods: Paleozoic