Prehistoric Marine Life in Australia's Inland SeaStep back to a time when Australia's red centre was flooded by a vast shallow ocean, the Eromanga Sea. While dinosaurs stalked the scattered islands that made up the Australian continent, giant marine reptiles ruled the waves. Plesiosaurs and ichthyosaurs swam in an inland sea filled with schools of ammonites, pterosaurs flew overhead, and giant carnivorous amphibians lurked in the rivers. Prehistoric Marine Life in Australia's Inland Sea, the third