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When Pannotia subsequently split, about 550 million years ago, the interior oceans created by this event, such as lapetus, Tuzo Wilson's so-called 'proto-Atlantic' separating present-day North America from Western Europe, were subsequently destroyed as the next supercontinent (Pangaea) was created.
Source: wiktionary
The supercontinent status of Pangaea and Rodinia is undisputed. In contrast, there is ongoing controversy on whether Pannotia existed at all.
Source: wiktionary
Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.