Fig. 7From: The (Paleo)Geography of Evolution: Making Sense of Changing Biology and Changing Continents(After Meert and Lieberman 2008) Paleogeographic reconstruction of Tommotian time. Archaeocyathin realms of Tommotian/Atdabanian time are restricted to the humid tropical zone. Locations of major phosphorite deposits are also shown in the figureBack to article page