List of ancient oceans
= List of ancient oceans
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Throughout Earth's geological history, several ancient oceans have existed, often linked to the formation and breakup of supercontinents. Here are some notable ancient oceans: 1. **Panthalassa**: This was the vast global ocean that surrounded the supercontinent Pangaea, which existed during the late Paleozoic and early Mesozoic eras. It is considered the largest ocean in Earth's history.