ステゴドンステゴドンMeanings1nounStegodonAn extinct genus of proboscidean related to elephants and mammoths. Used in paleontological contexts.from Latinステゴドンは約やく500万まん年ねん前まえから1万まん年ねん前まえまで生せい息そくしていた。Stegodon lived from about 5 million to 10,000 years ago.