Fig. 8
From: The (Paleo)Geography of Evolution: Making Sense of Changing Biology and Changing Continents
Paleogeography at 565 million years ago after Meert and Lieberman (2004, 2008). The birthplace of the Ediacaran biota was along the borders of the Mirovian and Mawson Oceans. A close relationship between Redlichiid fauna and the margins of the Mawson Ocean and the Olenellid fauna with the margins of the Mirovian Ocean suggests that the eutrilobites originated and diversified prior to ~565 million years ago in accordance with some molecular clock studies of extant organisms