Fig. 4
From: The (Paleo)Geography of Evolution: Making Sense of Changing Biology and Changing Continents
The supercontinent Pangea during the Late Paleozoic (~260 million years ago). The supercontinent was composed of two large halves (Gondwana in the south and Laurasia in the north). The “pac-man”-shaped Paleotethyan ocean was located to the east of the supercontinent and separated from the larger Panthalassan ocean by the North China (NCB) and South China (SCB) blocks. Approximate locations of the strong zonal climatic zones are also shown in the figure. The locations of the Appalachian, Caledonian, and Uralian Mountains are shown within Laurasia. AI = Armorica, Avalonia, and Iberia. The location of the slightly younger Siberian traps is also shown for reference