Palaeomastodon an extinct genus of Proboscidea. Palaeomastodon fossils have been found in Africa, lived some 36-35 million years ago. They are believed to be the ancestors of elephants or Mastodons. This genus is related to Moeritherium. Palaeomastodon had tusks, both upper and lower. It had a trunk. It was 1 to 2 meters tall and weighed up to 2 tonnes. The lower tusks were flat rather than pointed cones.