American mastodon Directory References Images Discover How Did the Sperm Whale Get Its Name? 10 Best Hockey Players of All Time How Many Countries Are There in the World? 7 Unique Burial Rituals Across the World 7 Deadliest Weapons in History Nostradamus and His Prophecies Why Is the Mona Lisa So Famous? Contents American mastodon extinct mammal Ask the Chatbot a Question Ask the Chatbot a Question Also known as: Mammut americanum Learn about this topic in these articles:mastodons In mastodon…the North American mastodon (Mammut americanum) support the hypothesis that the mastodon’s genetic diversity declined as conditions warmed, resulting in a retreat of the continental ice sheets and the animal’s geographic range.Read More