Ural Ocean
Sign in to savesmall, ancient ocean between Siberia and Baltica; formed in the Late Ordovician epoch; began to shrink in the Devonian Period and became a seaway
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small, ancient ocean between Siberia and Baltica; formed in the Late Ordovician epoch; began to shrink in the Devonian Period and became a seaway
via Wikidata sitelinks · CC0