This reconstruction of Gondwanaland is based on the modern archaeological findings of various fossils. Cynognathus is an approximately 3 m long land reptile of the Triassic period (about 225 million years before present). Lystrosaurus is a land reptile from the same period. Mesosaurs was a freshwater reptile. Fossils of the plant Glosopteris are found in all southern continents and in India.
Southampton Oceanography Centre, Challenger Division for Seafloor Processes (2004) Classroom@Sea Project. http://www.soc.soton.ac.uk/CHD/classroom@sea/carlsberg/images/plate_history_lge.jpg (accessed 22 August 2004). Image based on artwork from the US Geological Survey.