Category
page 1Devonian paleogeography
Rheic Ocean
ancient ocean which separated two major palaeocontinents, Gondwana and Laurussia
Proto-Tethys Ocean
ancient ocean that existed from the latest Ediacaran to the Carboniferous
Ural Ocean
small, ancient ocean between Siberia and Baltica; formed in the Late Ordovician epoch; began to shrink in the Devonian Period and became a seaway